BaseTools: Replace duplicate __PcdSet prototype with __PcdGet

Replace the duplicate __PcdSet prototype in PcdValueCommon.h
with the prototype for __PcdGet.

Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

BaseTools/Source/C/Common/PcdValueCommon.h

@@ -78,13 +78,12 @@ __PcdSet (
 
   @return PCD value
 **/
-VOID
-__PcdSet (
+UINT64
+__PcdGet (
   CHAR8  *SkuName             OPTIONAL,
   CHAR8  *DefaultValueName    OPTIONAL,
   CHAR8  *TokenSpaceGuidName,
-  CHAR8   *TokenName,
-  UINT64  Value
+  CHAR8  *TokenName
   )
 ;