wifi: iwlwifi: Adding the code to get RF name for MsP device

Add missing RF name extraction for MsP device from hardware rf-id.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230305124406.ae831f21ec55.Iad71cc30f9930f7ebe079d210ebe6c968a159273@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>