phy: keep pause flags in phy driver features

genphy_config_init() masked out pause flags set in phy driver structure.
Pause flags needs to be preserved in phydev->supported &
phydev->advertising.
Signed-off-by: NWoojung Huh <woojung.huh@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/phy/phy_device.c

@@ -1410,7 +1410,7 @@ int genphy_config_init(struct phy_device *phydev)
 
 	features = (SUPPORTED_TP | SUPPORTED_MII
 			| SUPPORTED_AUI | SUPPORTED_FIBRE |
-			SUPPORTED_BNC);
+			SUPPORTED_BNC | SUPPORTED_Pause | SUPPORTED_Asym_Pause);
 
 	/* Do we support autonegotiation? */
 	val = phy_read(phydev, MII_BMSR);