AP_TECS: adapt for new airspeed variable names

libraries/AP_TECS/AP_TECS.cpp

@@ -196,8 +196,8 @@ void AP_TECS::_update_speed(void)
 
     float EAS2TAS = _baro->get_EAS2TAS();
     _TAS_dem  = _EAS_dem * EAS2TAS;
-    _TASmax   = aparm.flybywire_airspeed_max * EAS2TAS;
-    _TASmin   = aparm.flybywire_airspeed_min * EAS2TAS;
+    _TASmax   = aparm.airspeed_max * EAS2TAS;
+    _TASmin   = aparm.airspeed_min * EAS2TAS;
 
     // Reset states of time since last update is too large
     if (DT > 1.0) {
@@ -211,7 +211,7 @@ void AP_TECS::_update_speed(void)
     // airspeed is not being used and set speed rate to zero
     if (!_ahrs->airspeed_sensor_enabled() || !_ahrs->airspeed_estimate(&_EAS)) {
         // If no airspeed available use average of min and max
-        _EAS = 0.5f * (aparm.flybywire_airspeed_min + aparm.flybywire_airspeed_max);
+        _EAS = 0.5f * (aparm.airspeed_min + aparm.airspeed_max);
     }
 
     // Implement a second order complementary filter to obtain a