Merge branch 'amd-xgbe-pfc-and-kr-training-fixes'

Raju Rangoju says:

====================
amd-xgbe: PFC and KR-Training fixes

This patch series fixes the issues in kr-training and pfc

0001 - There is difference in the TX Flow Control registers (TFCR)
between the revisions of the hardware. Update the driver to use the
TFCR based on the reported version of the hardware.

0002 - AN restart triggered during KR training not only aborts the KR
training process but also move the HW to unstable state. Add the
necessary changes to fix kr-taining.
====================

Link: https://lore.kernel.org/r/20230111172852.1875384-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>