UefiCpuPkg/CpuDxe: Add memory attribute setting.

Add memory attribute setting in CpuArch protocol.
Previous SetMemoryAttributes() API only supports cache attribute setting.

This patch updated SetMemoryAttributes() API to support memory attribute
setting by updating CPU page table.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>

UefiCpuPkg/CpuDxe/CpuDxe.inf

@@ -1,7 +1,7 @@
 ## @file
 #  CPU driver installs CPU Architecture Protocol and CPU MP protocol.
 #
-#  Copyright (c) 2008 - 2016, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2008 - 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
@@ -19,7 +19,6 @@
   FILE_GUID                      = 1A1E4886-9517-440e-9FDE-3BE44CEE2136
   MODULE_TYPE                    = DXE_DRIVER
   VERSION_STRING                 = 1.0
-
   ENTRY_POINT                    = InitializeCpu
 
 [Packages]
@@ -52,6 +51,8 @@
   CpuGdt.h
   CpuMp.c
   CpuMp.h
+  CpuPageTable.h
+  CpuPageTable.c
 
 [Sources.IA32]
   Ia32/CpuAsm.asm