Moved initialization of PCNET Ethernet controller to board_eth_init()

Affected boards:
	PN62
	sc520_cdp

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 c5b0815..b1dadd8 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -48,6 +48,7 @@
 int mcffec_initialize(bd_t *bis);
 int natsemi_initialize(bd_t *bis);
 int ns8382x_initialize(bd_t *bis);
+int pcnet_initialize(bd_t *bis);
 int rtl8139_initialize(bd_t *bis);
 int rtl8169_initialize(bd_t *bis);
 int skge_initialize(bd_t *bis);
@@ -61,6 +62,10 @@
 static inline int pci_eth_init(bd_t *bis)
 {
 	int num = 0;
+
+#ifdef CONFIG_PCNET
+	num += pcnet_initialize(bis);
+#endif
 #ifdef CONFIG_NATSEMI
 	num += natsemi_initialize(bis);
 #endif