Moved initialization of NATSEMI Ethernet controller to board_eth_init()

Affected boards:
	a3000

Removed initialization of the driver from net/eth.c

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

board/a3000/a3000.c

@@ -27,6 +27,7 @@
 #include <common.h>
 #include <mpc824x.h>
 #include <pci.h>
+#include <netdev.h>
 
 int checkboard (void)
 {
@@ -109,3 +110,9 @@ void pci_init_board(void)
 {
 	pci_mpc824x_init(&hose);
 }
+
+int board_eth_init(bd_t *bis)
+{
+	return pci_eth_init(bis);
+}
+