crypto: arm64 - Rename functions to avoid conflict with crypto/sha256.h

Rename static / file-local functions so that they do not conflict with
the functions declared in crypto/sha256.h.

This is a preparation patch for folding crypto/sha256.h into crypto/sha.h.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/arm64/crypto/sha256-glue.c

@@ -30,15 +30,15 @@ EXPORT_SYMBOL(sha256_block_data_order);
 asmlinkage void sha256_block_neon(u32 *digest, const void *data,
 				  unsigned int num_blks);
 
-static int sha256_update(struct shash_desc *desc, const u8 *data,
-			 unsigned int len)
+static int crypto_sha256_arm64_update(struct shash_desc *desc, const u8 *data,
+				      unsigned int len)
 {
 	return sha256_base_do_update(desc, data, len,
 				(sha256_block_fn *)sha256_block_data_order);
 }
 
-static int sha256_finup(struct shash_desc *desc, const u8 *data,
-			unsigned int len, u8 *out)
+static int crypto_sha256_arm64_finup(struct shash_desc *desc, const u8 *data,
+				     unsigned int len, u8 *out)
 {
 	if (len)
 		sha256_base_do_update(desc, data, len,
@@ -49,17 +49,17 @@ static int sha256_finup(struct shash_desc *desc, const u8 *data,
 	return sha256_base_finish(desc, out);
 }
 
-static int sha256_final(struct shash_desc *desc, u8 *out)
+static int crypto_sha256_arm64_final(struct shash_desc *desc, u8 *out)
 {
-	return sha256_finup(desc, NULL, 0, out);
+	return crypto_sha256_arm64_finup(desc, NULL, 0, out);
 }
 
 static struct shash_alg algs[] = { {
 	.digestsize		= SHA256_DIGEST_SIZE,
 	.init			= sha256_base_init,
-	.update			= sha256_update,
-	.final			= sha256_final,
-	.finup			= sha256_finup,
+	.update			= crypto_sha256_arm64_update,
+	.final			= crypto_sha256_arm64_final,
+	.finup			= crypto_sha256_arm64_finup,
 	.descsize		= sizeof(struct sha256_state),
 	.base.cra_name		= "sha256",
 	.base.cra_driver_name	= "sha256-arm64",
@@ -69,9 +69,9 @@ static struct shash_alg algs[] = { {
 }, {
 	.digestsize		= SHA224_DIGEST_SIZE,
 	.init			= sha224_base_init,
-	.update			= sha256_update,
-	.final			= sha256_final,
-	.finup			= sha256_finup,
+	.update			= crypto_sha256_arm64_update,
+	.final			= crypto_sha256_arm64_final,
+	.finup			= crypto_sha256_arm64_finup,
 	.descsize		= sizeof(struct sha256_state),
 	.base.cra_name		= "sha224",
 	.base.cra_driver_name	= "sha224-arm64",