: Add select of AEAD

 ERROR: "crypto_aead_setauthsize" [crypto/tcrypt.ko] undefined!
 ERROR: "crypto_alloc_aead" [crypto/tcrypt.ko] undefined!

Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>