configs: enable DM_ETH support for LS1046ARDB

Enable DM_ETH on all the defconfigs for the LS1046ARDB board.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
8 files changed