Use power led for device status.
The status led behavior has already been fixed in af28d8a539fe
("ath79: add support for GL.iNet GL-AR750S") when porting the
device to ath79. This fixes it for ar71xx as well.
Signed-off-by: Jan Alexander <[email protected]>
[minor commit title/message adjustments]
Signed-off-by: Adrian Schmutzler <[email protected]>
Jan Alexander