MdeModulePkg Variable: Implement VarCheck PROTOCOL

and follow UEFI spec to check UEFI defined variables.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16579 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.inf

@@ -12,7 +12,7 @@
 #  This external input must be validated carefully to avoid security issue like
 #  buffer overflow, integer overflow.
 #
-# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2010 - 2015, 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
@@ -44,6 +44,7 @@
   Reclaim.c
   Variable.c
   VariableSmm.c
+  VarCheck.c
   Variable.h
 
 [Packages]
@@ -62,6 +63,7 @@
   DxeServicesTableLib
   HobLib
   PcdLib
+  DevicePathLib
 
 [Protocols]
   gEfiSmmFirmwareVolumeBlockProtocolGuid        ## CONSUMES
@@ -72,7 +74,8 @@
   ## UNDEFINED # SmiHandlerRegister
   gEfiSmmVariableProtocolGuid
   gEfiSmmAccess2ProtocolGuid                    ## CONSUMES
-  gEfiSmmEndOfDxeProtocolGuid                   ## CONSUMES
+  gEfiSmmEndOfDxeProtocolGuid                   ## NOTIFY
+  gEdkiiSmmVarCheckProtocolGuid                 ## PRODUCES
 
 [Guids]
   ## PRODUCES             ## GUID # Signature of Variable store header