Add XML patching bitbake class.

This commit adds a new obmc-xmlpatch class that can be
inherited in a recipe to provide a do_patch task to patch XML
files.  The patch files are themselves XML, and must end in
.patch.xml for do_patch to find them.

This commit also includes Palmetto patches specified in
palmetto.xml.patch.xml that are required to build the system
inventory.

Change-Id: Idae6ffd8e7a3aa247115ff3a840e047727ff0d1a
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meta-palmetto/recipes-phosphor/mrw/mrw-native.bbappend b/meta-palmetto/recipes-phosphor/mrw/mrw-native.bbappend
new file mode 100644
index 0000000..836ef56
--- /dev/null
+++ b/meta-palmetto/recipes-phosphor/mrw/mrw-native.bbappend
@@ -0,0 +1,2 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+SRC_URI += "file://palmetto.xml.patch.xml"
diff --git a/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml b/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml
new file mode 100644
index 0000000..744a317
--- /dev/null
+++ b/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml
@@ -0,0 +1,467 @@
+<patches>
+
+<targetFile>palmetto.xml</targetFile>
+
+<!-- Add in the 5 fan and connector instances -->
+<targetInstance xpath="/">
+	<id>fanconn-0</id>
+	<type>connector-card-generic</type>
+	<library_target>false</library_target>
+	<instance_name>fanconn</instance_name>
+	<position>0</position>
+	<child_id>fan-0</child_id>
+	<attribute>
+		<id>CLASS</id>
+		<default>CONNECTOR</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>NA</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fan-0</id>
+	<type>card-fan</type>
+	<library_target>false</library_target>
+	<instance_name>fan</instance_name>
+	<position>0</position>
+	<attribute>
+		<id>CLASS</id>
+		<default>CARD</default>
+	</attribute>
+	<attribute>
+		<id>FRU_ID</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>FRU_NAME</id>
+		<default>FAN</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>FAN</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fanconn-1</id>
+	<type>connector-card-generic</type>
+	<library_target>false</library_target>
+	<instance_name>fanconn</instance_name>
+	<position>1</position>
+	<child_id>fan-1</child_id>
+	<attribute>
+		<id>CLASS</id>
+		<default>CONNECTOR</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>1</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>NA</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fan-1</id>
+	<type>card-fan</type>
+	<library_target>false</library_target>
+	<instance_name>fan</instance_name>
+	<position>1</position>
+	<attribute>
+		<id>CLASS</id>
+		<default>CARD</default>
+	</attribute>
+	<attribute>
+		<id>FRU_ID</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>FRU_NAME</id>
+		<default>FAN</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>1</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>FAN</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fanconn-2</id>
+	<type>connector-card-generic</type>
+	<library_target>false</library_target>
+	<instance_name>fanconn</instance_name>
+	<position>2</position>
+	<child_id>fan-2</child_id>
+	<attribute>
+		<id>CLASS</id>
+		<default>CONNECTOR</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>2</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>NA</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fan-2</id>
+	<type>card-fan</type>
+	<library_target>false</library_target>
+	<instance_name>fan</instance_name>
+	<position>2</position>
+	<attribute>
+		<id>CLASS</id>
+		<default>CARD</default>
+	</attribute>
+	<attribute>
+		<id>FRU_ID</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>FRU_NAME</id>
+		<default>FAN</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>2</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>FAN</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fanconn-3</id>
+	<type>connector-card-generic</type>
+	<library_target>false</library_target>
+	<instance_name>fanconn</instance_name>
+	<position>3</position>
+	<child_id>fan-3</child_id>
+	<attribute>
+		<id>CLASS</id>
+		<default>CONNECTOR</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>3</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>NA</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fan-3</id>
+	<type>card-fan</type>
+	<library_target>false</library_target>
+	<instance_name>fan</instance_name>
+	<position>3</position>
+	<attribute>
+		<id>CLASS</id>
+		<default>CARD</default>
+	</attribute>
+	<attribute>
+		<id>FRU_ID</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>FRU_NAME</id>
+		<default>FAN</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>3</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>FAN</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fanconn-4</id>
+	<type>connector-card-generic</type>
+	<library_target>false</library_target>
+	<instance_name>fanconn</instance_name>
+	<position>4</position>
+	<child_id>fan-4</child_id>
+	<attribute>
+		<id>CLASS</id>
+		<default>CONNECTOR</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>4</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>NA</default>
+	</attribute>
+</targetInstance>
+<targetInstance xpath="/">
+	<id>fan-4</id>
+	<type>card-fan</type>
+	<library_target>false</library_target>
+	<instance_name>fan</instance_name>
+	<position>4</position>
+	<attribute>
+		<id>CLASS</id>
+		<default>CARD</default>
+	</attribute>
+	<attribute>
+		<id>FRU_ID</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>FRU_NAME</id>
+		<default>FAN</default>
+	</attribute>
+	<attribute>
+		<id>LOCATION_CODE</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MODEL</id>
+		<default></default>
+	</attribute>
+	<attribute>
+		<id>MRW_TYPE</id>
+		<default>NA</default>
+	</attribute>
+	<attribute>
+		<id>POSITION</id>
+		<default>4</default>
+	</attribute>
+	<attribute>
+		<id>RESOURCE_IS_CRITICAL</id>
+		<default>0</default>
+	</attribute>
+	<attribute>
+		<id>TYPE</id>
+		<default>FAN</default>
+	</attribute>
+</targetInstance>
+
+<!-- place the fan connectors on the motherboard -->
+<targetInstance type="add-child" xpath="targetInstance[id='motherboard-0']">
+	<child_id>fanconn-0</child_id>
+	<child_id>fanconn-1</child_id>
+	<child_id>fanconn-2</child_id>
+	<child_id>fanconn-3</child_id>
+	<child_id>fanconn-4</child_id>
+</targetInstance>
+
+<!-- Add in the motherboard FRU name -->
+<attribute type="add" xpath="targetInstance[id='motherboard-0']">
+    <id>FRU_NAME</id>
+    <default>MOTHERBOARD</default>
+</attribute>
+
+<!-- add in some new types -->
+<enumerationType type="add-child" xpath="enumerationType[id='TYPE']">
+    <enumerator>
+        <name>FAN</name>
+        <value>35</value>
+    </enumerator>
+    <enumerator>
+        <name>PCIE_CARD</name>
+        <value>36</value>
+    </enumerator>
+</enumerationType>
+
+
+
+<!--fix up the other enums that come at the end of the list-->
+<enumerationType type="replace-child" key="name" xpath="enumerationType[id='TYPE']">
+    <enumerator>
+        <name>TEST_FAIL</name>
+        <value>37</value>
+    </enumerator>
+    <enumerator>
+        <name>LAST_IN_RANGE</name>
+        <value>38</value>
+    </enumerator>
+</enumerationType>
+
+<!-- Fix the PCIE card's type -->
+<attribute type="replace" xpath="targetInstance[id='pciecard_x8-0']/attribute[id='TYPE']">
+    <id>TYPE</id>
+    <default>PCIE_CARD</default>
+</attribute>
+
+<!-- Add the card's FRU name -->
+<attribute type="add" xpath="targetInstance[id='pciecard_x8-0']">
+    <id>FRU_NAME</id>
+    <default>PCIE_CARD</default>
+</attribute>
+
+<!-- Fix the PCIE card's type -->
+<attribute type="replace" xpath="targetInstance[id='pciecard_x16-0']/attribute[id='TYPE']">
+    <id>TYPE</id>
+    <default>PCIE_CARD</default>
+</attribute>
+
+<!-- Add the card's FRU name -->
+<attribute type="add" xpath="targetInstance[id='pciecard_x16-0']">
+    <id>FRU_NAME</id>
+    <default>PCIE_CARD</default>
+</attribute>
+
+</patches>