fec: add FEC platform support to ColdFire CPU's setup code

m68knommu: add FEC platform support to ColdFire CPU's setup code

Move the per-CPU FEC driver setup code into the actual platform
setup code for each ColdFire CPU varient.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>