Merge branch 'net-ethernet-simplify-few-things'

Krzysztof Kozlowski says:

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net: ethernet: Simplify few things

Few code simplifications without functional impact.
Not tested on hardware.
====================

Link: https://patch.msgid.link/20250112-syscon-phandle-args-net-v1-0-3423889935f7@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>