Merge branch 'net-phy-mdio-add-IPQ40xx-MDIO-support'

Robert Marko says:

====================
net: phy: mdio: add IPQ40xx MDIO support

This patch series provides support for the IPQ40xx built-in MDIO interface.
Included are driver, devicetree bindings for it and devicetree node.
====================

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