Tracker: enable aux servos at init and at 1hz

AntennaTracker/AntennaTracker.cpp

@@ -93,6 +93,9 @@ void Tracker::one_second_loop()
     // sync MAVLink system ID
     mavlink_system.sysid = g.sysid_this_mav;
 
+    // update assigned functions and enable auxiliary servos
+    SRV_Channels::enable_aux_servos();
+
     // updated armed/disarmed status LEDs
     update_armed_disarmed();
 

AntennaTracker/servos.cpp

@@ -7,6 +7,9 @@
 // init_servos - initialises the servos
 void Tracker::init_servos()
 {
+    // update assigned functions and enable auxiliary servos
+    SRV_Channels::enable_aux_servos();
+
     SRV_Channels::set_default_function(CH_YAW, SRV_Channel::k_tracker_yaw);
     SRV_Channels::set_default_function(CH_PITCH, SRV_Channel::k_tracker_pitch);