net: keystone_net: use mdio_reset function

Don't use mdio_enable twice while eth open. Also rename it to
keystone2_mdio_reset as more appropriate name.

Acked-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
1 file changed