MdeModulePkg: Change OPTIONAL keyword usage style

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3760

Update all use of ', OPTIONAL' to ' OPTIONAL,' for function params.

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

MdeModulePkg/Core/PiSmmCore/SmiHandlerProfile.c

@@ -1185,7 +1185,7 @@ SmiHandlerProfileRegisterHandler (
   IN EFI_GUID                       *HandlerGuid,
   IN EFI_SMM_HANDLER_ENTRY_POINT2   Handler,
   IN PHYSICAL_ADDRESS               CallerAddress,
-  IN VOID                           *Context, OPTIONAL
+  IN VOID                           *Context  OPTIONAL,
   IN UINTN                          ContextSize OPTIONAL
   )
 {
@@ -1262,7 +1262,7 @@ SmiHandlerProfileUnregisterHandler (
   IN SMI_HANDLER_PROFILE_PROTOCOL   *This,
   IN EFI_GUID                       *HandlerGuid,
   IN EFI_SMM_HANDLER_ENTRY_POINT2   Handler,
-  IN VOID                           *Context, OPTIONAL
+  IN VOID                           *Context  OPTIONAL,
   IN UINTN                          ContextSize OPTIONAL
   )
 {
@@ -1364,4 +1364,3 @@ SmmCoreInitializeSmiHandlerProfile (
     ASSERT_EFI_ERROR (Status);
   }
 }
-