1. added functions header for BaseUefiDecompressLi

2. added some internal functions header for BaseLib
3. added EFIAPI for some internal assembly files declare

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1050 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/DivU64x32Remainder.c

@@ -38,7 +38,7 @@ EFIAPI
 DivU64x32Remainder (
   IN      UINT64                    Dividend,
   IN      UINT32                    Divisor,
-  OUT     UINT32                    *Remainder
+  OUT     UINT32                    *Remainder  OPTIONAL
   )
 {
   ASSERT (Divisor != 0);