Merge branch 'update-stmmac-fix_mac_speed'

Shenwei Wang says:

====================
update stmmac fix_mac_speed
====================

Link: https://lore.kernel.org/r/20230807160716.259072-1-shenwei.wang@nxp.com


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