net: dsa: seville: name change for clarity from pcs to mdio_device

A simple variable update from "pcs" to "mdio_device" for the mdio device
will make things a little cleaner.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/ocelot/seville_vsc9953.c

@@ -1040,7 +1040,7 @@ static int vsc9953_mdio_bus_alloc(struct ocelot *ocelot)
 	for (port = 0; port < felix->info->num_ports; port++) {
 		struct ocelot_port *ocelot_port = ocelot->ports[port];
 		struct phylink_pcs *phylink_pcs;
-		struct mdio_device *pcs;
+		struct mdio_device *mdio_device;
 		int addr = port + 4;
 
 		if (dsa_is_unused_port(felix->ds, port))
@@ -1049,13 +1049,13 @@ static int vsc9953_mdio_bus_alloc(struct ocelot *ocelot)
 		if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_INTERNAL)
 			continue;
 
-		pcs = mdio_device_create(felix->imdio, addr);
-		if (IS_ERR(pcs))
+		mdio_device = mdio_device_create(felix->imdio, addr);
+		if (IS_ERR(mdio_device))
 			continue;
 
-		phylink_pcs = lynx_pcs_create(pcs);
+		phylink_pcs = lynx_pcs_create(mdio_device);
 		if (!phylink_pcs) {
-			mdio_device_free(pcs);
+			mdio_device_free(mdio_device);
 			continue;
 		}