overlay: Fix flashlight by fixing flashlight sys files permisions and adding...
overlay: Fix flashlight by fixing flashlight sys files permisions and adding sys files in the deviceinfo
the flashlight sys files /sys/class/leds/flashlight/brightness /sys/class/leds/led:torch_0/brightness /sys/class/leds/led:switch_0/brightness need permissions 666 because the ayatana-indicator-power service is runned by phablet user
tested on joyeuse