crypto: qat - use masks for AE groups

The adf_fw_config structures hardcode a bit mask that represents the
acceleration engines (AEs) where a certain firmware image will have to
be loaded to. Remove the hardcoded masks and replace them with defines.

This does not introduce any functional change.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>