Specify which MRW XML to use for Palmetto.

Set the machine readable workbook URI and REV variables
so the mrw-native recipe can retrieve the XML.

Change-Id: I1f63365917f818b31c00997edb312f700b935af3
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meta-palmetto/conf/machine/palmetto.conf b/meta-palmetto/conf/machine/palmetto.conf
index d50fd58..c43c588 100644
--- a/meta-palmetto/conf/machine/palmetto.conf
+++ b/meta-palmetto/conf/machine/palmetto.conf
@@ -10,3 +10,6 @@
 UBOOT_LOADADDRESS = "0x40008000"
 
 FLASH_SIZE = "32768"
+
+PHOSPHOR_MRW_URI = "git://github.com/open-power/palmetto-xml"
+PHOSPHOR_MRW_REV = "82818682f2c2009c30d700df6d5f8897a3096e4f"