The new sxmo_status_led program can tell us if it finds a suitable led
on the system. We can use this to set the SXMO_DISABLE_LEDS env
variable.
Signed-off-by: Willow Barraco <contact@willowbarraco.fr>
If system service manager stops tinydm (e.g. if someone runs service
tinydm restart) it should send sigterm to this script. If we're allowed
a chance to, we should do our best to cleanup in this case.
Signed-off-by: Willow Barraco <contact@willowbarraco.fr>