Based on current mt7622-ubnt-unifi-6-lr, this is a preparation for
adding a v2 version of this target
* v1 - with led-bar
* v2 - two simple GPIO connected LEDs (in later commits)
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 15a02471bb)
