crypto: aead - Add type-safe geniv init/exit helpers

This patch adds the helpers aead_init_geniv and aead_exit_geniv
which are type-safe and intended the replace the existing geniv
init/exit helpers.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/Kconfig

@@ -48,6 +48,8 @@ config CRYPTO_AEAD
 config CRYPTO_AEAD2
 	tristate
 	select CRYPTO_ALGAPI2
+	select CRYPTO_NULL2
+	select CRYPTO_RNG2
 
 config CRYPTO_BLKCIPHER
 	tristate
@@ -150,12 +152,15 @@ config CRYPTO_GF128MUL
 
 config CRYPTO_NULL
 	tristate "Null algorithms"
-	select CRYPTO_ALGAPI
-	select CRYPTO_BLKCIPHER
-	select CRYPTO_HASH
+	select CRYPTO_NULL2
 	help
 	  These are 'Null' algorithms, used by IPsec, which do nothing.
 
+config CRYPTO_NULL2
+	select CRYPTO_ALGAPI2
+	select CRYPTO_BLKCIPHER2
+	select CRYPTO_HASH2
+
 config CRYPTO_PCRYPT
 	tristate "Parallel crypto engine"
 	depends on SMP