qcacmn: extract dfs events

Add support to extract dfs events.

Change-Id: I2889d419954dec8ed3714dd0fd7383f3a3586f6e
CRs-Fixed: 2017481

wmi_unified_param.h

@@ -4925,6 +4925,8 @@ typedef enum {
 	wmi_pdev_csa_switch_count_status_event_id,
 	wmi_reg_chan_list_cc_event_id,
 	wmi_offchan_data_tx_completion_event,
+	wmi_dfs_cac_complete_id,
+	wmi_dfs_radar_detection_event_id,
 
 	wmi_events_max,
 } wmi_conv_event_id;