This change moves common elements of the WR3000H and the WR3000S to mt7981b-cudy-wr3000-nand.dtsi.
This will simplify adding of new similar devices, for exapmle WR3000E.
Signed-off-by: Roland Reinl <reinlroland+github@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18619
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>