configs: ls1088ardb: enable CONFIG_DM_ETH and related

Enable CONFIG_DM_ETH and CONFIG_DM_MDIO and related configs for the
LS1088ARDB board.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/ls1088ardb_tfa_defconfig b/configs/ls1088ardb_tfa_defconfig
index e3d4b02..94fe6db 100644
--- a/configs/ls1088ardb_tfa_defconfig
+++ b/configs/ls1088ardb_tfa_defconfig
@@ -25,6 +25,7 @@
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_DM=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
@@ -52,8 +53,12 @@
 # CONFIG_SPI_FLASH_BAR is not set
 CONFIG_SPI_FLASH_SPANSION=y
 # CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
+CONFIG_PHYLIB=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