ROMFS: Reset the estimator param to EKF2 if LPE fails to start

ROMFS/px4fmu_common/init.d/rc.fw_apps

@@ -3,6 +3,15 @@
 # Standard apps for fixed wing
 #
 
+# LPE
+if param compare SYS_MC_EST_GROUP 1
+then
+	echo "ERROR [init] Estimator LPE not supported on fixed wing. Using EKF2"
+	param set SYS_MC_EST_GROUP 2
+	param save
+	ekf2 start
+fi
+
 #
 # Start the attitude and position estimator
 #