Moved initialization of RTL8169 Ethernet controller to board_eth_init()

Affected boards:
	linkstation
	r7780mp

Removed initialization of the driver from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/board/r7780mp/r7780mp.c b/board/r7780mp/r7780mp.c
index 19c35d3..efbeec9 100644
--- a/board/r7780mp/r7780mp.c
+++ b/board/r7780mp/r7780mp.c
@@ -23,6 +23,7 @@
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <asm/pci.h>
+#include <netdev.h>
 #include "r7780mp.h"
 
 int checkboard(void)
@@ -77,3 +78,8 @@
 {
 	pci_sh7780_init(&hose);
 }
+
+int board_eth_init(bd_t *bis)
+{
+	return pci_eth_init(bis);
+}