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-p8/0013-enable-TPM-required-sensor.patch b/openpower/patches/p8dtu-patches/hostboot-p8/0013-enable-TPM-required-sensor.patch
new file mode 100644
index 0000000..64709c0
--- /dev/null
+++ b/openpower/patches/p8dtu-patches/hostboot-p8/0013-enable-TPM-required-sensor.patch
@@ -0,0 +1,26 @@
+From db0d855457974d520d829259f56488e6c896be0e Mon Sep 17 00:00:00 2001
+From: Jim Yuan <jim.yuan@supermicro.com>
+Date: Thu, 27 Oct 2016 10:42:48 -0700
+Subject: [PATCH 13/14] enable TPM required sensor.
+
+Signed-off-by: Jim Yuan <jim.yuan@supermicro.com>
+---
+ src/usr/targeting/common/xmltohb/attribute_types_hb.xml | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/usr/targeting/common/xmltohb/attribute_types_hb.xml b/src/usr/targeting/common/xmltohb/attribute_types_hb.xml
+index 3cfdb9aa0..84536fbb4 100644
+--- a/src/usr/targeting/common/xmltohb/attribute_types_hb.xml
++++ b/src/usr/targeting/common/xmltohb/attribute_types_hb.xml
+@@ -1200,7 +1200,7 @@
+     </enumerator>
+     <enumerator>
+         <name>TPM_REQUIRED</name>
+-        <value>0xFFFF</value>
++        <value>0xCC03</value>
+     </enumerator>
+ </enumerationType>
+ 
+-- 
+2.16.2.windows.1
+