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/board/sc520_cdp/sc520_cdp.c b/board/sc520_cdp/sc520_cdp.c
index 8050aa6..f21c730 100644
--- a/board/sc520_cdp/sc520_cdp.c
+++ b/board/sc520_cdp/sc520_cdp.c
@@ -29,6 +29,7 @@
 #include <asm/ic/sc520.h>
 #include <asm/ic/ali512x.h>
 #include <spi.h>
+#include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -629,3 +630,8 @@
 #endif
 	return res;
 }
+
+int board_eth_init(bd_t *bis)
+{
+	return pci_eth_init(bis);
+}