sh: sh_eth: Change new network API

sh_eth used old network API. This patch changed new API.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/include/netdev.h b/include/netdev.h
index 751f0da..a7d662d 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -70,6 +70,7 @@
 int tsi108_eth_initialize(bd_t *bis);
 int uec_initialize(int index);
 int uli526x_initialize(bd_t *bis);
+int sh_eth_initialize(bd_t *bis);
 
 /* Boards with PCI network controllers can call this from their board_eth_init()
  * function to initialize whatever's on board.