px4io: servorail_status -> px4io_status and log all flags

src/modules/logger/logged_topics.cpp

@@ -71,6 +71,7 @@ void LoggedTopics::add_default_topics()
 	add_topic("offboard_control_mode", 1000);
 	add_topic("position_controller_status", 500);
 	add_topic("position_setpoint_triplet", 200);
+	add_topic("px4io_status");
 	add_topic("radio_status");
 	add_topic("rate_ctrl_status", 200);
 	add_topic("rpm", 500);