[CRYPTO] aes: Move common defines into a header file

This three defines are used in all AES related hardware.

Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/aes_generic.c b/crypto/aes_generic.c
index 9401dca..6683260 100644
--- a/crypto/aes_generic.c
+++ b/crypto/aes_generic.c
@@ -52,6 +52,7 @@
     s/RIJNDAEL(d_key)/D_KEY/g
 */
 
+#include <crypto/aes.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/types.h>
@@ -59,11 +60,6 @@
 #include <linux/crypto.h>
 #include <asm/byteorder.h>
 
-#define AES_MIN_KEY_SIZE	16
-#define AES_MAX_KEY_SIZE	32
-
-#define AES_BLOCK_SIZE		16
-
 /*
  * #define byte(x, nr) ((unsigned char)((x) >> (nr*8))) 
  */