Fix FSP GCC error on FspApiCallingCheck().

Add comment for ASM.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <Jiewen.Yao@intel.com> 
Reviewed-by: "Mudusuru, Giri P" <giri.p.mudusuru@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17281 6f19259b-4bc3-4df7-8a09-765794883524

IntelFspPkg/FspSecCore/Ia32/FspApiEntry.asm

@@ -489,8 +489,8 @@ FspApiCommon   PROC C PUBLIC
   ; Verify the calling condition
   ;
   pushad
-  push   [esp + 4 * 8 + 4]
-  push   eax
+  push   [esp + 4 * 8 + 4]  ; push ApiParam
+  push   eax                ; push ApiIdx
   call   FspApiCallingCheck
   add    esp, 8
   cmp    eax, 0

IntelFspPkg/FspSecCore/Ia32/FspApiEntry.s

@@ -703,9 +703,10 @@ FspApiCommonL0:
   # Verify the calling condition
   #
   pushal
-  pushl   %eax
+  pushl   36(%esp)  #push ApiParam  [esp + 4 * 8 + 4]
+  pushl   %eax      #push ApiIdx
   call    ASM_PFX(FspApiCallingCheck)
-  addl    $0x04, %esp
+  addl    $0x08, %esp
   cmpl    $0x00, %eax
   jz      FspApiCommonL1
   movl    %eax, 0x1C(%esp)                   # mov    dword ptr [esp + 4 * 7], eax