wifi: iwlwifi: mvm: support SPP A-MSDUs

If the firmware has the necessary support, enable SPP A-MSDUs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240129211905.15e4570e471f.I87cf284d3b19bb9f5558f0f33afaace6d6492acb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>