MdePkg: Reference new definitions for Management Mode.

In PI 1.5 version, system management mode name(SMM) has been changed
to Management Mode(MM). It impacts the current code which still use
SMM/Smram/SMI keywords. This patch update the original files which
related to old SMM modules, also keep the compatible with old SMM
related drivers.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

MdePkg/Include/Protocol/SmmConfiguration.h

@@ -6,7 +6,7 @@
   2) register the SMM Foundation entry point with the processor code. The entry
      point will be invoked by the SMM processor entry code.
   
-  Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials                          
   are licensed and made available under the terms and conditions of the BSD License         
   which accompanies this distribution.  The full text of the license may be found at        
@@ -20,12 +20,10 @@
 #ifndef _SMM_CONFIGURATION_H_
 #define _SMM_CONFIGURATION_H_
 
+#include <Protocol/MmConfiguration.h>
 #include <Pi/PiSmmCis.h>
 
-#define EFI_SMM_CONFIGURATION_PROTOCOL_GUID \
-  { \
-    0x26eeb3de, 0xb689, 0x492e, {0x80, 0xf0, 0xbe, 0x8b, 0xd7, 0xda, 0x4b, 0xa7 }  \
-  }
+#define EFI_SMM_CONFIGURATION_PROTOCOL_GUID EFI_MM_CONFIGURATION_PROTOCOL_GUID
 
 ///
 /// Structure describing a SMRAM region which cannot be used for the SMRAM heap.