net: pcs: lynx: no need to read LPA in lynx_pcs_get_state_2500basex()

Nothing useful is done with the LPA variable in lynx_pcs_get_state_2500basex(),
we can just remove the read.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240513115345.2452799-1-vladimir.oltean@nxp.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/pcs/pcs-lynx.c

@@ -61,11 +61,10 @@ static void lynx_pcs_get_state_usxgmii(struct mdio_device *pcs,
 static void lynx_pcs_get_state_2500basex(struct mdio_device *pcs,
 					 struct phylink_link_state *state)
 {
-	int bmsr, lpa;
+	int bmsr;
 
 	bmsr = mdiodev_read(pcs, MII_BMSR);
-	lpa = mdiodev_read(pcs, MII_LPA);
-	if (bmsr < 0 || lpa < 0) {
+	if (bmsr < 0) {
 		state->link = false;
 		return;
 	}