The property "ralink,port-map" has been obsolete long before this device was added, and the device is a one-port anyway. Just remove it. Fixes:5ef79af4f8("ramips: add support for Ravpower WD03") Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> (cherry picked from commitc00b2df6c8)