Merge branch 'xgene-v2-mdio-and-ethtool'

Iyappan Subramanian says:

====================
drivers: net: xgene-v2: Add MDIO and ethtool support

This patch set,

- adds phy management and ethtool support
- fixes ethernet reset
- addresses review comments from previous patch set

v2: Address review comments from v1
	- removed mdio_lock, since there is a top level lock in mdio_bus.c

v1:
	- Initial version
====================

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>