Move MPC5xxx_FEC driver to drivers/net

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index bcf31cb..c68d3e7 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -41,6 +41,7 @@
 COBJS-$(CONFIG_DRIVER_LAN91C96) += lan91c96.o
 COBJS-$(CONFIG_MACB) += macb.o
 COBJS-$(CONFIG_MCFFEC) += mcffec.o
+COBJS-$(CONFIG_MPC5xxx_FEC) += mpc5xxx_fec.o
 COBJS-$(CONFIG_NATSEMI) += natsemi.o
 ifeq ($(CONFIG_DRIVER_NE2000),y)
 COBJS-y += ne2000.o