1. Removed #ifndef to enable Capsule architecture protocol on IPF.

2. Added ASSERT (FLASE) in SwitchStack ().
3. Removed unreached branch from UefiNotTiano.c.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2510 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/SwitchStack.c

@@ -58,5 +58,8 @@ SwitchStack (
 
   InternalSwitchStack (EntryPoint, Context1, Context2, NewStack, Marker);
 
-  VA_END (Marker);
+  //
+  // InternalSwitchStack () will never return
+  //
+  ASSERT (FALSE);
 }