mpc85xx, socrates: add DM support

enable CONFIG_DM for the socrates board.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/socrates_defconfig b/configs/socrates_defconfig
index 58d135b..1730d57 100644
--- a/configs/socrates_defconfig
+++ b/configs/socrates_defconfig
@@ -3,6 +3,7 @@
 CONFIG_MPC85xx=y
 # CONFIG_CMD_ERRATA is not set
 CONFIG_TARGET_SOCRATES=y
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
@@ -15,6 +16,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_REGINFO=y
 CONFIG_CMD_IMLS=y
+CONFIG_CMD_DM=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_PCI=y
@@ -31,7 +33,10 @@
 # CONFIG_CMD_HASH is not set
 CONFIG_CMD_EXT2=y
 # CONFIG_CMD_IRQ is not set
+CONFIG_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="socrates"
 CONFIG_ENV_IS_IN_FLASH=y
+CONFIG_DM=y
 # CONFIG_MMC is not set
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
@@ -46,4 +51,3 @@
 CONFIG_USB_STORAGE=y
 CONFIG_VIDEO=y
 CONFIG_CONSOLE_EXTRA_INFO=y
-CONFIG_OF_LIBFDT=y