crypto: stm32/hash - Simplify code

We are passing (rctx->flags & HASH_FLAGS_FINUP) as indicator
for the final request but we already know this to be true since
we are in the (final) arm of an if-statement set from the same
flag. Just open-code it as true.
Acked-by: Lionel Debieve <lionel.debieve@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/stm32/stm32-hash.c

@@ -399,8 +399,7 @@ static int stm32_hash_update_cpu(struct stm32_hash_dev *hdev)
 	if (final) {
 		bufcnt = rctx->bufcnt;
 		rctx->bufcnt = 0;
-		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, bufcnt,
-					  (rctx->flags & HASH_FLAGS_FINUP));
+		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, bufcnt, 1);
 	}
 
 	return err;