FmpDevicePkg: 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>

FmpDevicePkg/Include/Library/FmpDependencyLib.h

@@ -96,7 +96,7 @@ EFIAPI
 EvaluateDependency (
   IN  EFI_FIRMWARE_IMAGE_DEP        *Dependencies,
   IN  UINTN                         DependenciesSize,
-  IN  FMP_DEPEX_CHECK_VERSION_DATA  *FmpVersions,      OPTIONAL
+  IN  FMP_DEPEX_CHECK_VERSION_DATA  *FmpVersions       OPTIONAL,
   IN  UINTN                         FmpVersionsCount,
   OUT UINT32                        *LastAttemptStatus OPTIONAL
   );