The ethernet driver configures the SoC internal network card
on its own. There are no special serdes or other layers in
between. So there is no need for pcs handling in the driver.
Drop that.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/22347
Signed-off-by: Robert Marko <robimarko@gmail.com>