1. PostCodeLib.

	1. PostCodeLib.
		Rename BasePostCodeLib80 to BasePostCodeLibPort80.
		Fix typos in macro POST_CODE() and POST_CODE_WITH_DESCRIPTION()
	2. DebugLib
		Change the parameter type of LineNumber of DebugAssert() from “INTN” to “UINTN” to follow MWG.
		Add type cast “(EFI_GUID *)” in macro ASSERT_PROTCOL_ALREADY_INSTALLED () to follow MWG.
	3. BasePeCoffLib/
		Add library function header for all the interfaces in MWG.
		Add missing ASSERT()s.
	4. PciLib
		Add ASSERT()s in PciRead/WriteBuffer() to check cross PCI function access.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@557 6f19259b-4bc3-4df7-8a09-765794883524