Updated Hardware Interrupt protocol to add an EOI member. Added ARM Data/Instruction syncronization barrier support to the ARM lib.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10063 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Library/ArmLib/Arm11/Arm11Lib.c

@@ -116,3 +116,34 @@ ArmConfigureMmu (
   ArmEnableDataCache();
   ArmEnableMmu();  
 }
+
+
+VOID
+EFIAPI
+ArmDataMemoryBarrier (
+  VOID
+  )
+{
+  // Should move to assembly with the 
+}
+  
+VOID
+EFIAPI
+ArmDataSyncronizationBarrier (
+  VOID
+  )
+{
+// MOV R0, #0
+// MCR P15, #0, R0, C7, C10, #4}
+}
+
+
+VOID
+EFIAPI
+ArmInstructionSynchronizationBarrier (
+  VOID
+  )
+{
+}
+
+