write sysid & compid to telemetry status

src/modules/mavlink/mavlink_receiver.cpp

@@ -534,6 +534,8 @@ MavlinkReceiver::handle_message_radio_status(mavlink_message_t *msg)
 		tstatus.remote_noise = rstatus.remnoise;
 		tstatus.rxerrors = rstatus.rxerrors;
 		tstatus.fixed = rstatus.fixed;
+		tstatus.system_id = msg->sysid;
+		tstatus.component_id = msg->compid;
 
 		if (_telemetry_status_pub < 0) {
 			_telemetry_status_pub = orb_advertise(telemetry_status_orb_id[_mavlink->get_channel()], &tstatus);

src/modules/uORB/topics/telemetry_status.h

@@ -67,6 +67,8 @@ struct telemetry_status_s {
 	uint8_t noise;				/**< background noise level                     */
 	uint8_t remote_noise;			/**< remote background noise level              */
 	uint8_t txbuf;				/**< how full the tx buffer is as a percentage  */
+	uint8_t system_id;			/**< system id of the remote system */
+	uint8_t component_id;			/**< component id of the remote system */
 };
 
 /**