The ar9342 Ubiquiti WA devices appear to only have two different
network setups, based on the number of ethernet ports.
Create DTSI files for them to consolidate duplicate definitions.
Signed-off-by: Nick Hainke <vincent@systemli.org>
[rephrase commit message/title]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
