ftgmac100: support of gigabit eth ftgmac100

Add Faraday's ftgmac100 (gigabit ethernet)
MAC controller's driver.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
diff --git a/include/netdev.h b/include/netdev.h
index 7f66419..1a542e8 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -61,6 +61,7 @@
 int eth_3com_initialize (bd_t * bis);
 int fec_initialize (bd_t *bis);
 int fecmxc_initialize (bd_t *bis);
+int ftgmac100_initialize(bd_t *bits);
 int ftmac100_initialize(bd_t *bits);
 int greth_initialize(bd_t *bis);
 void gt6426x_eth_initialize(bd_t *bis);