Add missing tracing for:

1. start_radar_detection()
2. set_mcast_rates()
3. set_coalesce()
Signed-off-by: NIlan Peer <ilan.peer@intel.com>
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>