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-p8/0005-change-pnor-response-command-to-0x7.patch b/openpower/patches/p8dtu-patches/hostboot-p8/0005-change-pnor-response-command-to-0x7.patch
new file mode 100644
index 0000000..943b471
--- /dev/null
+++ b/openpower/patches/p8dtu-patches/hostboot-p8/0005-change-pnor-response-command-to-0x7.patch
@@ -0,0 +1,26 @@
+From 50ae9cf95223a5f6492e7e515ccef9d4499ef823 Mon Sep 17 00:00:00 2001
+From: Jim Yuan <jim.yuan@supermicro.com>
+Date: Tue, 11 Oct 2016 10:03:01 -0700
+Subject: [PATCH 05/14] change pnor response command to 0x7
+
+Signed-off-by: Jim Yuan <jim.yuan@supermicro.com>
+---
+ src/include/usr/ipmi/ipmiif.H | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/include/usr/ipmi/ipmiif.H b/src/include/usr/ipmi/ipmiif.H
+index 94fca5fb6..4b41cb3bc 100644
+--- a/src/include/usr/ipmi/ipmiif.H
++++ b/src/include/usr/ipmi/ipmiif.H
+@@ -289,7 +289,7 @@ namespace IPMI
+     { return std::make_pair(NETFUN_IBM, 0x07); }
+ 
+     inline const command_t pnor_response(void)
+-    { return std::make_pair(NETFUN_IBM, 0x08); }
++	{ return std::make_pair(NETFUN_IBM, 0x07); }
+ 
+     inline const command_t hiomap_event(void)
+     { return std::make_pair(NETFUN_IBM, 0x0f); }
+-- 
+2.16.2.windows.1
+