The Micrel PHY has its interrupt pin connected to a GPIO line. Wire
this up in the device tree.
Signed-off-by: NAndrew Lunn <andrew@lunn.ch>
Tested-by: NChris Healy <cphealy@gmail.com>
Reviewed-by: NFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>