net: phy: fix data type of phy_id

phy_id is declared as u32 in create_phy_by_mask and in struct phy_device.

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>

drivers/net/phy/phy.c

@@ -554,7 +554,7 @@ static struct phy_driver *get_phy_driver(struct phy_device *phydev,
 }
 
 static struct phy_device *phy_device_create(struct mii_dev *bus, int addr,
-					    int phy_id,
+					    u32 phy_id,
 					    phy_interface_t interface)
 {
 	struct phy_device *dev;