configs: enable DM_ETH support for LS1043ARDB

Enable DM_ETH on all the defconfigs for the LS1043ARDB board.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/ls1043ardb_sdcard_defconfig b/configs/ls1043ardb_sdcard_defconfig
index b386fc6..b39a907 100644
--- a/configs/ls1043ardb_sdcard_defconfig
+++ b/configs/ls1043ardb_sdcard_defconfig
@@ -29,6 +29,7 @@
 CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_CMD_IMLS=y
+CONFIG_CMD_DM=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
@@ -57,6 +58,8 @@
 CONFIG_SF_DEFAULT_BUS=1
 CONFIG_PHYLIB=y
 CONFIG_PHY_AQUANTIA=y
+CONFIG_DM_ETH=y
+CONFIG_DM_MDIO=y
 CONFIG_E1000=y
 CONFIG_FMAN_ENET=y
 CONFIG_PCI=y