qcacmn: Add WMI APIs to support CSA for beacon offload

Add multiple vdev restart command request WMI command API and
extraction API for CSA count status event to support CSA implementation
for beacon offload.

Change-Id: Ic309f592137dc725e04590dc0093f30b481ebf9b
CRs-Fixed: 2000449

wmi_unified_non_tlv.c

@@ -8265,7 +8265,8 @@ static void populate_non_tlv_service(uint32_t *wmi_service)
 	wmi_service[wmi_service_mgmt_tx_wmi] = WMI_SERVICE_UNAVAILABLE;
 	wmi_service[wmi_service_ext_msg] = WMI_SERVICE_UNAVAILABLE;
 	wmi_service[wmi_service_mawc] = WMI_SERVICE_UNAVAILABLE;
-
+	wmi_service[wmi_service_multiple_vdev_restart] =
+				WMI_SERVICE_UNAVAILABLE;
 }
 
 /**