Add FEC MAC refrence clock init.
Add phy fixup init for i.MX6ul 14x14 evk board that installs KSZ8081 phy.
For the phy, there needs extra phy fixup for MII and RMII mode.
Signed-off-by: NFugang Duan <b38611@freescale.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>