Merge branch 'net-add-and-use-phy_disable_eee'

Heiner Kallweit says:

====================
net: add and use phy_disable_eee

If a MAC driver doesn't support EEE, then the PHY shouldn't advertise it.
Add phy_disable_eee() for this purpose, and use it in cpsw driver.
====================

Link: https://patch.msgid.link/5139374e-7151-4d0d-8ba9-9ec3d9b52f67@gmail.com


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