Move MPC5xxx_FEC driver to drivers/net

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/cpu/mpc5xxx/Makefile b/cpu/mpc5xxx/Makefile
index 312b0bf..06fdbcf 100644
--- a/cpu/mpc5xxx/Makefile
+++ b/cpu/mpc5xxx/Makefile
@@ -27,7 +27,7 @@
 
 START	= start.o
 SOBJS	= io.o firmware_sc_task_bestcomm.impl.o firmware_sc_task.impl.o
-COBJS	= i2c.o traps.o cpu.o cpu_init.o fec.o ide.o interrupts.o \
+COBJS	= i2c.o traps.o cpu.o cpu_init.o ide.o interrupts.o \
 	  loadtask.o pci_mpc5200.o serial.o speed.o usb_ohci.o usb.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)