Moved initialization of GT6426x Ethernet controller to board_eth_init()

Affected boards:
	EVB64260
	P3G4
	ZUMA

Removed initialization of the driver from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/board/evb64260/eth.c b/board/evb64260/eth.c
index fa5b6d4..ca8bab5 100644
--- a/board/evb64260/eth.c
+++ b/board/evb64260/eth.c
@@ -27,6 +27,7 @@
 #include <asm/cache.h>
 #include <miiphy.h>
 #include <net.h>
+#include <netdev.h>
 
 #include "eth.h"
 #include "eth_addrtbl.h"