crypto: inside-secure - Fix build error with CONFIG_CRYPTO_SM3=m

Always take the zero length hash value for SM3 from the local constant
to avoid a reported build error when SM3 is configured to be a module.

Fixes: 0f2bc131 ("crypto: inside-secure - Added support for...")
Signed-off-by: NPascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/inside-secure/safexcel_hash.c

@@ -785,10 +785,6 @@ static int safexcel_ahash_final(struct ahash_request *areq)
 			memcpy(areq->result, sha512_zero_message_hash,
 			       SHA512_DIGEST_SIZE);
 		else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SM3) {
-			if (IS_ENABLED(CONFIG_CRYPTO_SM3))
-				memcpy(areq->result, sm3_zero_message_hash,
-				       SM3_DIGEST_SIZE);
-			else
 			memcpy(areq->result,
 			       EIP197_SM3_ZEROM_HASH, SM3_DIGEST_SIZE);
 		}