1. Enable use-cases in PEI using SecurityPPI co-equal to the use-cases in DXE using the Security Arch Protocol

2. Add support to find section by instance rather than only 0 at PEI phase.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14763 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Core/Pei/PeiMain/PeiMain.c

@@ -1,7 +1,7 @@
 /** @file
   Pei Core Main Entry Point
   
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2013, 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
@@ -61,7 +61,9 @@ EFI_PEI_SERVICES  gPs = {
   PeiFfsFindFileByName,
   PeiFfsGetFileInfo,
   PeiFfsGetVolumeInfo,
-  PeiRegisterForShadow
+  PeiRegisterForShadow,
+  PeiFfsFindSectionData3,
+  PeiFfsGetFileInfo2
 };
 
 /**