based on current ubnt_unifi-6-lr-ubootmod
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[added SUPPORTED_DEVICES for compatibility with existing setups]
Signed-off-by: Henrik Riomar <henrik.riomar@gmail.com>
(cherry picked from commit 5c8d3893a78fd81454930de30d90efaef99f8734)