crypto: padlock/aes - switch to library version of key expansion routine

Switch to the new AES library that also provides an implementation of
the AES key expansion routine. This removes the dependency on the
generic AES cipher, allowing it to be omitted entirely in the future.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/Kconfig

@@ -27,7 +27,7 @@ config CRYPTO_DEV_PADLOCK_AES
 	tristate "PadLock driver for AES algorithm"
 	depends on CRYPTO_DEV_PADLOCK
 	select CRYPTO_BLKCIPHER
-	select CRYPTO_AES
+	select CRYPTO_LIB_AES
 	help
 	  Use VIA PadLock for AES algorithm.
 

drivers/crypto/padlock-aes.c

@@ -145,7 +145,7 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 	ctx->cword.encrypt.keygen = 1;
 	ctx->cword.decrypt.keygen = 1;
 
-	if (crypto_aes_expand_key(&gen_aes, in_key, key_len)) {
+	if (aes_expandkey(&gen_aes, in_key, key_len)) {
 		*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
 		return -EINVAL;
 	}