Differential Rover: Update airframe architecture

ROMFS/px4fmu_common/init.d/rc.rover_ackermann_defaults

@@ -0,0 +1,22 @@
+#!/bin/sh
+#
+# UGV default parameters.
+#
+# NOTE: Script variables are declared/initialized/unset in the rcS script.
+#
+
+set VEHICLE_TYPE rover_ackermann
+
+# MAV_TYPE_GROUND_ROVER 10
+param set-default MAV_TYPE 10
+
+# Enable Airspeed check circuit breaker because Rovers will have no airspeed sensor
+param set-default CBRK_AIRSPD_CHK 162128
+
+param set-default MIS_TAKEOFF_ALT 0.01
+
+param set-default NAV_ACC_RAD 2
+param set-default NAV_LOITER_RAD 2
+
+# Temporary.
+param set-default NAV_FW_ALT_RAD 1000