net: hns: bug fix of ethtool show the speed

When run ethtool ethX on hns driver, the speed will show
as "Unknown". The base.speed is not correct assigned,
this patch fix this bug.
Signed-off-by: NDaode Huang <huangdaode@hisilicon.com>
Reviewed-by: NYisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: NSalil Mehta <salil.mehta@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_ethtool.c

@@ -146,7 +146,7 @@ static int hns_nic_get_link_ksettings(struct net_device *net_dev,
 
 	/* When there is no phy, autoneg is off. */
 	cmd->base.autoneg = false;
-	cmd->base.cmd = speed;
+	cmd->base.speed = speed;
 	cmd->base.duplex = duplex;
 
 	if (net_dev->phydev)