Fixed GCC 4.4 build issues due to EFIAPI not being used when required.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10380 6f19259b-4bc3-4df7-8a09-765794883524

UefiCpuPkg/Include/Library/MtrrLib.h

@@ -135,6 +135,7 @@ typedef enum {
 
 **/
 UINT32
+EFIAPI
 GetVariableMtrrCount (
   VOID
   );
@@ -146,6 +147,7 @@ GetVariableMtrrCount (
 
 **/
 UINT32
+EFIAPI
 GetFirmwareVariableMtrrCount (
   VOID
   );
@@ -311,6 +313,7 @@ MtrrGetMemoryAttributeInVariableMtrr (
   This function prints all MTRRs for debugging.
 **/
 VOID
+EFIAPI
 MtrrDebugPrintAllMtrrs (
   );
 
@@ -322,6 +325,7 @@ MtrrDebugPrintAllMtrrs (
 
 **/
 BOOLEAN
+EFIAPI
 IsMtrrSupported (
   VOID
   );

UefiCpuPkg/Library/MtrrLib/MtrrLib.c

@@ -89,6 +89,7 @@ FIXED_MTRR    MtrrLibFixedMtrrTable[] = {
 
 **/
 UINT32
+EFIAPI
 GetVariableMtrrCount (
   VOID
   )
@@ -107,6 +108,7 @@ GetVariableMtrrCount (
 
 **/
 UINT32
+EFIAPI
 GetFirmwareVariableMtrrCount (
   VOID
   )