phylib: remove a couple of redundant code lines

This change slightly improves readability of the phydev speed/duplex
assignment logic.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Detlev Zundel <dzu@denx.de>

drivers/net/phy/phy.c

@@ -318,13 +318,10 @@ static int genphy_parse_link(struct phy_device *phydev)
 		lpa = phy_read(phydev, MDIO_DEVAD_NONE, MII_ADVERTISE);
 		lpa &= phy_read(phydev, MDIO_DEVAD_NONE, MII_LPA);
 
-		if (lpa & (LPA_100FULL | LPA_100HALF)) {
+		if (lpa & (LPA_100FULL | LPA_100HALF))
 			phydev->speed = SPEED_100;
 
-			if (lpa & LPA_100FULL)
-				phydev->duplex = DUPLEX_FULL;
-
-		} else if (lpa & LPA_10FULL)
+		if (lpa & (LPA_100FULL | LPA_10FULL))
 			phydev->duplex = DUPLEX_FULL;
 	} else {
 		u32 bmcr = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);