[vtx] Add VTX driver with Tramp and SmartAudio support

src/modules/logger/logged_topics.cpp

@@ -150,6 +150,7 @@ void LoggedTopics::add_default_topics()
 	add_topic("vehicle_rates_setpoint", 20);
 	add_topic("vehicle_roi", 1000);
 	add_topic("vehicle_status");
+	add_topic("vtx");
 	add_optional_topic("vtol_vehicle_status", 200);
 	add_topic("wind", 1000);
 	add_topic("fixed_wing_lateral_setpoint");