qcacmn: Add SAR V2 support

Add changes to support SAR V2 power limits

Change-Id: Ife7af8db51a45660bc27d1e5b857e38f4dd40935
CRs-Fixed: 2217069

wmi_unified_param.h

@@ -5534,6 +5534,7 @@ typedef enum {
 #ifdef OL_ATH_SMART_LOGGING
 	wmi_debug_fatal_condition_eventid,
 #endif /* OL_ATH_SMART_LOGGING */
+	wmi_wlan_sar2_result_event_id,
 	wmi_events_max,
 } wmi_conv_event_id;