crypto: qat - add CRYPTO_AES to Kconfig dependencies

This patch includes a missing dependency (CRYPTO_AES) which may
lead to an "undefined reference to `aes_expandkey'" linking error.

Fixes: 5106dfea

 ("crypto: qat - add AES-XTS support for QAT GEN4 devices")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>