On some devices (like ZyXEL GS1920) the phys are not initialized and patched by the bootloader. This is done through the vendor SDK when the software starts. To make these devices usable too, provide the most basic setup sequence for the RTL8218B. Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de> Link: https://github.com/openwrt/openwrt/pull/19491 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>