Ethernet MAC address setup has been broken since c3e420f28c. Restore
original setting.
Fixes: c3e420f28c ("ramips: Add support for D-Link DCH-M225")
Signed-off-by: Sungbo Eo <mans0n@gorani.run>
(cherry picked from commit 7231c1edd9)
[backported due to base-files split]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>