crypto: sha-s390 - Fix warnings in import function

That patch should fix the warnings.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c
index b4b3438..4bf73d0 100644
--- a/arch/s390/crypto/sha512_s390.c
+++ b/arch/s390/crypto/sha512_s390.c
@@ -52,10 +52,10 @@
 	return 0;
 }
 
-static int sha512_import(struct shash_desc *desc, const u8 *in)
+static int sha512_import(struct shash_desc *desc, const void *in)
 {
 	struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
-	struct sha512_state *ictx = in;
+	const struct sha512_state *ictx = in;
 
 	if (unlikely(ictx->count[1]))
 		return -ERANGE;