Moved initialization of MPC5xxx_FEC Ethernet driver to CPU directory

Modified board_eth_init() functions of boards that have this FEC in addition
to other Ethernet controllers.

Affected boards:
	bc3450
	icecube
	mvbc_p
	o2dnt
	pm520
	total5200
	tq5200

Removed initialization of controller from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

board/total5200/total5200.c

@@ -312,5 +312,6 @@ int board_get_height (void)
 
 int board_eth_init(bd_t *bis)
 {
+	cpu_eth_init(bis); /* Built in FEC comes first */
 	return pci_eth_init(bis);
 }