disable engine failure detector for SITL VTOL

Tried increasing ESC timeout for VTOL first

VTOL sitl tests are failing because the ESC telemetry seems to be coming
in at 0.3 Hz

ROMFS/px4fmu_common/init.d-posix/airframes/1040_standard_vtol

@@ -7,6 +7,11 @@
 
 . ${R}etc/init.d/rc.vtol_defaults
 
+# TODO: Enable motor failure detection when the
+# VTOL no longer reports 0A for all ESCs in SITL
+param set-default FD_ACT_EN 0
+param set-default FD_ACT_MOT_TOUT 500
+
 # param set-default SYS_CTRL_ALLOC 1
 param set-default CA_AIRFRAME 2