Refine new library instances according to review comments.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6692 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/PeiPciLibPciCfg2/PeiPciLibPciCfg2.inf

@@ -1,5 +1,5 @@
 # @file
-# Component description file for PCI Lib using PCI CFG2 PPI
+# PCI Library that layers on top of the PCI CFG2 PPI.
 #
 # This library produces the APIs from the PCI Library and implements
 #  these APIs by calling into the EFI_PEI_PCI CFG2 PPI. One or more EFI_PEI_PCI CFG2
@@ -7,7 +7,7 @@
 #  the first PPI found, so this library instance should only be used platforms
 #  with a single PCI segment.
 #
-# Copyright (c) 2007, Intel Corporation.
+# Copyright (c) 2007 - 2008, 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
@@ -25,7 +25,7 @@
   FILE_GUID                      = FA3AD693-D58A-4619-960B-8EE85C914870
   MODULE_TYPE                    = PEIM
   VERSION_STRING                 = 1.0
-  LIBRARY_CLASS                  = PciLib|PEIM
+  LIBRARY_CLASS                  = PciLib|PEIM SEC PEI_CORE
   EDK_RELEASE_VERSION            = 0x00020000
   EFI_SPECIFICATION_VERSION      = 0x00020000
 
@@ -33,7 +33,7 @@
 #
 # The following information is for reference only and not required by the build tools.
 #
-#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC (EBC is for build only)
 #
 
 [Sources.common]