Added LibPatchPcdSetPtr.

Cleaup Pcd Database code generation routine.
Fixed a few bugs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@745 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/DxePcdLib/DxePcdLib.msa

@@ -8,11 +8,11 @@
     <Abstract>IO Library implemented with Framework CPU IO Protocol</Abstract>
     <Description>FIX ME!</Description>
     <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>
-    <License>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,
+    <License>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.</License>
     <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION   0x00000052</Specification>
   </MsaHeader>
@@ -31,6 +31,9 @@
     <LibraryClass Usage="ALWAYS_CONSUMED">
       <Keyword>UefiBootServicesTableLib</Keyword>
     </LibraryClass>
+    <LibraryClass Usage="ALWAYS_CONSUMED">
+      <Keyword>BaseMemoryLib</Keyword>
+    </LibraryClass>
   </LibraryClassDefinitions>
   <SourceFiles>
     <Filename>DxePcdLib.c</Filename>
@@ -50,4 +53,4 @@
       <Constructor>PcdLibConstructor</Constructor>
     </Extern>
   </Externs>
-</ModuleSurfaceArea>
+</ModuleSurfaceArea>