net: phy: vitesse: remove duplicate support for VSC8574

A more featureful support for VSC8574 was recently added to the
Microsemi (mscc.c) driver. I checked that features supported in the
Vitesse driver are also supported in the Microsemi driver.

Signed-off-by: Quentin Schulz <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/phy/vitesse.c

···
 #define PHY_ID_VSC8244			0x000fc6c0
 #define PHY_ID_VSC8514			0x00070670
 #define PHY_ID_VSC8572			0x000704d0
-#define PHY_ID_VSC8574			0x000704a0
 #define PHY_ID_VSC8601			0x00070420
 #define PHY_ID_VSC7385			0x00070450
 #define PHY_ID_VSC7388			0x00070480
···
 			 phydev->drv->phy_id == PHY_ID_VSC8244 ||
 			 phydev->drv->phy_id == PHY_ID_VSC8514 ||
 			 phydev->drv->phy_id == PHY_ID_VSC8572 ||
-			 phydev->drv->phy_id == PHY_ID_VSC8574 ||
 			 phydev->drv->phy_id == PHY_ID_VSC8601) ?
 				MII_VSC8244_IMASK_MASK :
 				MII_VSC8221_IMASK_MASK);
···
 	.ack_interrupt  = &vsc824x_ack_interrupt,
 	.config_intr    = &vsc82xx_config_intr,
 }, {
-	.phy_id         = PHY_ID_VSC8574,
-	.name           = "Vitesse VSC8574",
-	.phy_id_mask    = 0x000ffff0,
-	.features       = PHY_GBIT_FEATURES,
-	.config_init    = &vsc824x_config_init,
-	.config_aneg    = &vsc82x4_config_aneg,
-	.ack_interrupt  = &vsc824x_ack_interrupt,
-	.config_intr    = &vsc82xx_config_intr,
-}, {
 	.phy_id         = PHY_ID_VSC8601,
 	.name           = "Vitesse VSC8601",
 	.phy_id_mask    = 0x000ffff0,
···
 	{ PHY_ID_VSC8244, 0x000fffc0 },
 	{ PHY_ID_VSC8514, 0x000ffff0 },
 	{ PHY_ID_VSC8572, 0x000ffff0 },
-	{ PHY_ID_VSC8574, 0x000ffff0 },
 	{ PHY_ID_VSC7385, 0x000ffff0 },
 	{ PHY_ID_VSC7388, 0x000ffff0 },
 	{ PHY_ID_VSC7395, 0x000ffff0 },