Merge branch 'net-phy-clean-up-phy-h'

Heiner Kallweit says:

====================
net: phy: clean up phy.h

This series is a starting point to clean up phy.h and remove
definitions which are phylib-internal.
====================

Link: https://patch.msgid.link/d14f8a69-dc21-4ff7-8401-574ffe2f4bc5@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>