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>

drivers/net/rtl8169.c

@@ -55,6 +55,7 @@
 #include <common.h>
 #include <malloc.h>
 #include <net.h>
+#include <netdev.h>
 #include <asm/io.h>
 #include <pci.h>