crypto: arm/aes - Select SIMD in Kconfig

The skcipher conversion for ARM missed the select on CRYPTO_SIMD,
causing build failures if SIMD was not otherwise enabled.

Fixes: da40e7a4 ("crypto: aes-ce - Convert to skcipher")
Fixes: 211f41af ("crypto: aesbs - Convert to skcipher")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>