Add p8dtu platform

This contains the p8dtu platform from SuperMicro.
It has previously lived out of tree.

Like other POWER8 platforms, several Hostboot patches are required.
Since Hostboot does not have the ability to have per-platform code,
this comes in as patches.

Signed-off-by: Jim Yuan <jim.yuan@supermicro.com>
[stewart: cleanup and longer commit message]
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/openpower/patches/p8dtu-patches/hostboot-p8/0001-Memory-Interleaving-Grouping-change-for-p8dtu.patch b/openpower/patches/p8dtu-patches/hostboot-p8/0001-Memory-Interleaving-Grouping-change-for-p8dtu.patch
new file mode 100644
index 0000000..acdb1c0
--- /dev/null
+++ b/openpower/patches/p8dtu-patches/hostboot-p8/0001-Memory-Interleaving-Grouping-change-for-p8dtu.patch
@@ -0,0 +1,27 @@
+From e6db702ece6f5d13c7d0b288203a0715b4a2a35b Mon Sep 17 00:00:00 2001
+From: Jim Yuan <jim.yuan@supermicro.com>
+Date: Tue, 18 Oct 2016 16:08:13 -0700
+Subject: [PATCH 01/14] Memory Interleaving Grouping change for p8dtu. Allow
+ not adjacent pair for p8dtu.
+
+Signed-off-by: Jim Yuan <jim.yuan@supermicro.com>
+---
+ src/usr/targeting/common/xmltohb/attribute_types.xml | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/usr/targeting/common/xmltohb/attribute_types.xml b/src/usr/targeting/common/xmltohb/attribute_types.xml
+index 0fc5f4eac..d7fc183a4 100644
+--- a/src/usr/targeting/common/xmltohb/attribute_types.xml
++++ b/src/usr/targeting/common/xmltohb/attribute_types.xml
+@@ -13812,7 +13812,7 @@ firmware notes: Platforms should initialize this attribute to AUTO (0)</descript
+     </description>
+     <simpleType>
+         <uint8_t>
+-        <default>1</default>
++        <default>0</default>
+         </uint8_t>
+     </simpleType>
+     <persistency>non-volatile</persistency>
+-- 
+2.16.2.windows.1
+