When converting this device to use both GMACs, I mistakenly removed
state_default, which prevented GPIO LEDs and keys from being used.
Add back and and extra LEDs that were missing.
Tested all LEDs by turning them on.
Fixes: 26a6a6a60b ("ramips: add support for Belkin RT1800")
Signed-off-by: Rosen Penev <rosenp@gmail.com>