net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers

Add DW_2500BASEX case in xpcs_get_state( ) to update speed, duplex and pause

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20231027044306.291250-1-Raju.Lakkaraju@microchip.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>