MdePkg:

1. Add AcpiTable & ComponentName2 Protocol definitions.
2. Add HardwareErrorVariable GUID definition.
EdkModulePkg: 
1. Update DxeCore to let InsatllConfigurationTable() signal the event group whenever a table entry is inserted, modified or deleted.
2. Update ConPlatform to let Simple Text In and Out  not share a stop function .

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2625 6f19259b-4bc3-4df7-8a09-765794883524

OldMdePkg/Include/Guid/HardwareErrorVariable.h

@@ -0,0 +1,30 @@
+/** @file
+  GUID for hardware error record variables.
+
+  Copyright (c) 2007, Intel Corporation
+  All rights reserved. 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.
+
+  Module Name:  HardwareErrorVariable.h
+
+  @par Revision Reference:
+  GUID defined in UEFI 2.1.
+
+**/
+
+#ifndef _HARDWARE_ERROR_VARIABLE_GUID_H_
+#define _HARDWARE_ERROR_VARIABLE_GUID_H_
+
+#define EFI_HARDWARE_ERROR_VARIABLE_GUID \
+  { \
+    0x414E6BDD, 0xE47B, 0x47cc, {0xB2, 0x44, 0xBB, 0x61, 0x02, 0x0C, 0xF5, 0x16} \
+  }
+
+extern EFI_GUID gEfiHardwareErrorVariableGuid;
+
+#endif