Currently am33xx.dtsi declares the MAC controller to have two
slave ports, on these boards we only use one, so set the slave
count to one. This eliminates a console error message when
the non-existent PHY is not detected.
Signed-off-by: NAndrew F. Davis <afd@ti.com>
Reviewed-by: NGrygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>