net: dsa: mv88e6xxx: bitwise vs logical bug

We are trying to test if these flags are set but there are some && vs &
typos.

Fixes: efd1ba6a ("net: dsa: mv88e6xxx: Add SERDES phydev_mac_change up for 6390")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/mv88e6xxx/serdes.c

@@ -502,8 +502,8 @@ static irqreturn_t mv88e6390_serdes_thread_fn(int irq, void *dev_id)
 		err = mv88e6390_serdes_irq_status_sgmii(chip, lane, &status);
 		if (err)
 			goto out;
-		if (status && (MV88E6390_SGMII_INT_LINK_DOWN ||
-			       MV88E6390_SGMII_INT_LINK_UP)) {
+		if (status & (MV88E6390_SGMII_INT_LINK_DOWN |
+			      MV88E6390_SGMII_INT_LINK_UP)) {
 			ret = IRQ_HANDLED;
 			mv88e6390_serdes_irq_link_sgmii(chip, port->port, lane);
 		}