Add restriction that HashFinal() must be after at least one HashUpdate().

Just follow UEFI spec.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <Jiewen.Yao@intel.com>
Reviewed-by: "Zhang, Chao B" <chao.b.zhang@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18229 6f19259b-4bc3-4df7-8a09-765794883524

SecurityPkg/Hash2DxeCrypto/Driver.h

@@ -57,6 +57,7 @@ typedef struct {
   EFI_HASH2_PROTOCOL               Hash2Protocol;
   VOID                             *HashContext;
   VOID                             *HashInfoContext;
+  BOOLEAN                          Updated;
 } HASH2_INSTANCE_DATA;
 
 #define HASH2_INSTANCE_DATA_FROM_THIS(a) \