Merge branch 'net-phy-add-generic-ndo_do_ioctl-handler-phy_do_ioctl'

Heiner Kallweit says:

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net: phy: add generic ndo_do_ioctl handler phy_do_ioctl

A number of network drivers has the same glue code to use phy_mii_ioctl
as ndo_do_ioctl handler. So let's add such a generic ndo_do_ioctl
handler to phylib. As first user convert r8169.
====================

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