PX4: enable motor test UI

src/AutoPilotPlugins/PX4/PX4AutoPilotPlugin.cc

@@ -84,12 +84,9 @@ const QVariantList& PX4AutoPilotPlugin::vehicleComponents(void)
                 _powerComponent->setupTriggerSignals();
                 _components.append(QVariant::fromValue((VehicleComponent*)_powerComponent));
 
-#if 0
-                // Coming soon
                 _motorComponent = new MotorComponent(_vehicle, this);
                 _motorComponent->setupTriggerSignals();
                 _components.append(QVariant::fromValue((VehicleComponent*)_motorComponent));
-#endif
 
                 _safetyComponent = new SafetyComponent(_vehicle, this);
                 _safetyComponent->setupTriggerSignals();