net: dsa: microchip: remove unused sgmii variable

This variable is not used. So, remove it.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz9477.c

@@ -1075,12 +1075,7 @@ void ksz9477_config_cpu_port(struct dsa_switch *ds)
 	for (i = 0; i < dev->info->port_cnt; i++) {
 		if (i == dev->cpu_port)
 			continue;
-		p = &dev->ports[i];
-
 		ksz_port_stp_state_set(ds, i, BR_STATE_DISABLED);
-		if (dev->chip_id == 0x00947700 && i == 6) {
-			p->sgmii = 1;
-		}
 	}
 }
 

drivers/net/dsa/microchip/ksz_common.h

@@ -74,7 +74,6 @@ struct ksz_port {
 
 	u32 on:1;			/* port is not disabled by hardware */
 	u32 fiber:1;			/* port is fiber */
-	u32 sgmii:1;			/* port is SGMII */
 	u32 force:1;
 	u32 read:1;			/* read MIB counters in background */
 	u32 freeze:1;			/* MIB counter freeze is enabled */