MdeModulePkg: Rename SmmEndOfS3ResumeProtocolGuid to EndOfS3ResumeGuid

Rename SmmEndOfS3ResumeProtocolGuid to EndOfS3ResumeGuid as the GUID
may be used to install PPI in future to notify PEI phase code.

The references in UefiCpuPkg are also being updated.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

MdeModulePkg/Include/Guid/EndOfS3Resume.h

@@ -0,0 +1,26 @@
+/** @file
+  This GUID will be installed at the end of S3 resume phase as protocol in SMM environment. 
+  It allows for SMM drivers to hook this point and do the required tasks.
+
+  Copyright (c) 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        
+  http://opensource.org/licenses/bsd-license.php                                            
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+**/
+
+#ifndef __END_OF_S3_RESUME_H__
+#define __END_OF_S3_RESUME_H__
+
+#define EDKII_END_OF_S3_RESUME_GUID \
+  { \
+    0x96f5296d, 0x05f7, 0x4f3c, {0x84, 0x67, 0xe4, 0x56, 0x89, 0x0e, 0x0c, 0xb5 } \
+  }
+
+extern EFI_GUID gEdkiiEndOfS3ResumeGuid;
+
+#endif