Blackfin EMAC Driver: Removed duplicated include <linux/ethtool.h>

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 89c0018..4144343 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -22,7 +22,6 @@
 #include <linux/crc32.h>
 #include <linux/device.h>
 #include <linux/spinlock.h>
-#include <linux/ethtool.h>
 #include <linux/mii.h>
 #include <linux/phy.h>
 #include <linux/netdevice.h>