commit 20c15226 upstream.

The value used for Micrel PHY mask is not correct. Use the
MICREL_PHY_ID_MASK definition instead.

Thanks to Jiri Luznicky for proposing the fix at
https://community.freescale.com/thread/387739

Fixes: 709bc065 ("ARM: imx6ul: add fec MAC refrence clock and phy fixup init")
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>