Merge branch 'aspeed-mdio-c45'

Potin Lai says:

====================
mdio: aspeed: Add Clause 45 support for Aspeed MDIO

This patch series add Clause 45 support for Aspeed MDIO driver, and
separate c22 and c45 implementation into different functions.

LINK: [v1] https://lore.kernel.org/all/20220329161949.19762-1-potin.lai@quantatw.com/
LINK: [v2] https://lore.kernel.org/all/20220406170055.28516-1-potin.lai@quantatw.com/

Changes v2 --> v3:
 - sort local variable sequence in reverse Christmas tree format.

Changes v1 --> v2:
 - add C45 to probe_capabilities
 - break one patch into 3 small patches
====================

Signed-off-by: David S. Miller <davem@davemloft.net>