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/MultU64x32.c

@@ -22,8 +22,6 @@
   unsigned value Multiplier and generates a 64-bit unsigned result. This 64-
   bit unsigned result is returned.
 
-  If the result overflows, then ASSERT().
-
   @param  Multiplicand  A 64-bit unsigned value.
   @param  Multiplier    A 32-bit unsigned value.
 
@@ -40,6 +38,6 @@ MultU64x32 (
   UINT64                            Result;
 
   Result = InternalMathMultU64x32 (Multiplicand, Multiplier);
-  // TODO: ASSERT (Result not overflow);
+
   return Result;
 }