configs: ls2088ardb: enable CONFIG_DM_ETH and related

Enable CONFIG_DM_ETH and CONFIG_DM_MDIO and related configs for the
LS2088ARDB board.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
4 files changed