net: prestera: use phylink_pcs_change() to report PCS link change events

Use phylink_pcs_change() when reporting changes in PCS link state to
phylink as the interrupts are informing us about changes to the PCS
state.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/E1s0OGx-009hgr-NP@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: Russell King (Oracle)

drivers/net/ethernet/marvell/prestera/prestera_main.c

@@ -821,15 +821,15 @@ static void prestera_port_handle_event(struct prestera_switch *sw,
 
 		if (port->state_mac.oper) {
 			if (port->phy_link)
-				phylink_mac_change(port->phy_link, true);
+				phylink_pcs_change(&port->phylink_pcs, true);
 			else
 				netif_carrier_on(port->dev);
 
 			if (!delayed_work_pending(caching_dw))
 				queue_delayed_work(prestera_wq, caching_dw, 0);
 		} else {
 			if (port->phy_link)
-				phylink_mac_change(port->phy_link, false);
+				phylink_pcs_change(&port->phylink_pcs, false);
 			else if (netif_running(port->dev) && netif_carrier_ok(port->dev))
 				netif_carrier_off(port->dev);