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>
diff --git a/configs/ls2088ardb_qspi_defconfig b/configs/ls2088ardb_qspi_defconfig
index 3203384..5b0ef55 100644
--- a/configs/ls2088ardb_qspi_defconfig
+++ b/configs/ls2088ardb_qspi_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_MISC_INIT_R=y
 CONFIG_CMD_GREPENV=y
+CONFIG_CMD_DM=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
@@ -45,8 +46,11 @@
 CONFIG_PHYLIB=y
 CONFIG_PHY_AQUANTIA=y
 CONFIG_PHY_CORTINA=y
+CONFIG_DM_ETH=y
+CONFIG_DM_MDIO=y
 CONFIG_E1000=y
 CONFIG_MII=y
+CONFIG_FSL_LS_MDIO=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
 CONFIG_DM_PCI_COMPAT=y