qca9558_devolo_dvl1xxx.dtsi contains device specific nodes which
are inherited for some DTS files and overwritten for others.
This is considered confusing, so move the relevant nodes/properties
to the devices and only keep the shared stuff in the DTSI.
Signed-off-by: Yanase Yuki <dev@zpc.sakura.ne.jp>
[clarify commit title/message, move &gmac_config in DTS]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
cba79b1de2