net: txgbe: 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>
Acked-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/E1s0OH2-009hgx-Qw@rmk-PC.armlinux.org.ukSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c

@@ -302,7 +302,7 @@ irqreturn_t txgbe_link_irq_handler(int irq, void *data)
 	status = rd32(wx, TXGBE_CFG_PORT_ST);
 	up = !!(status & TXGBE_CFG_PORT_ST_LINK_UP);
 
-	phylink_mac_change(wx->phylink, up);
+	phylink_pcs_change(&txgbe->xpcs->pcs, up);
 
 	return IRQ_HANDLED;
 }