overlay: Add lightbulb overlay for sysfs

Change-Id: I56f43ea263d79ce31ab95d7f3ee629b00205a64f
Signed-off-by: Evan Anderson <evan@thelinuxman.us>
init: Add permissions for LED torch node

Change-Id: Iac7480839f8afbba9ce6038f4bf64061fefe3918
Signed-off-by: Evan Anderson <evan@thelinuxman.us>