dts:d18: Disable fec/ethphy1 because of address collision
The boot strapping in U-Boot isn't integrated correctly yet. Because of this, we have a collision between the ethphys. Since we don't use the second phy right now, we disable it.
The boot strapping in U-Boot isn't integrated correctly yet. Because of this, we have a collision between the ethphys. Since we don't use the second phy right now, we disable it.