Merge branch 'net-lantiq_xrx200-improve-ethernet-performance'

Aleksander Jan Bajkowski says:

====================
net: lantiq_xrx200: improve ethernet performance

This patchset improves Ethernet performance by 15%.

NAT Performance results on BT Home Hub 5A (kernel 5.10.89, mtu 1500):

	Down		Up
Before	539 Mbps	599 Mbps
After	624 Mbps	695 Mbps
====================

Link: https://lore.kernel.org/r/20220104151144.181736-1-olek2@wp.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>