forcedeth: ethtool tx csum fix

This patch fixes the ethtool tx csum "set" command. A recent patch was
submitted to remove HW_CSUM and use IP_CSUM instead. Therefore, the
corresponding ethtool command should also be modified.

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 47962ed..cb41897 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4763,7 +4763,7 @@
 	struct fe_priv *np = netdev_priv(dev);
 
 	if (np->driver_data & DEV_HAS_CHECKSUM)
-		return ethtool_op_set_tx_hw_csum(dev, data);
+		return ethtool_op_set_tx_csum(dev, data);
 	else
 		return -EOPNOTSUPP;
 }