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>
diff --git a/include/netdev.h b/include/netdev.h
index 97eff7a..c5b0815 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -46,6 +46,7 @@
 int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
 int mcdmafec_initialize(bd_t *bis);
 int mcffec_initialize(bd_t *bis);
+int natsemi_initialize(bd_t *bis);
 int ns8382x_initialize(bd_t *bis);
 int rtl8139_initialize(bd_t *bis);
 int rtl8169_initialize(bd_t *bis);
@@ -60,6 +61,9 @@
 static inline int pci_eth_init(bd_t *bis)
 {
 	int num = 0;
+#ifdef CONFIG_NATSEMI
+	num += natsemi_initialize(bis);
+#endif
 #ifdef CONFIG_NS8382X
 	num += ns8382x_initialize(bis);
 #endif