net: phy: add missing SPEED_14000

Fixes: 0d7e2d21 ("IB/ipoib: add get_link_ksettings in ethtool")
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NNicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/phy/phy.c

@@ -54,6 +54,8 @@ static const char *phy_speed_to_str(int speed)
 		return "5Gbps";
 	case SPEED_10000:
 		return "10Gbps";
+	case SPEED_14000:
+		return "14Gbps";
 	case SPEED_20000:
 		return "20Gbps";
 	case SPEED_25000: