ppc/km: enable DM driver support in all defconfigs

This is the first step to use DM support for the KM powerpc boards.

Signed-off-by: Holger Brunck <holger.brunck@ch.abb.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
CC: Mario Six <mario.six@gdsys.cc>
CC: Wolfgang Denk <wd@denx.de>
CC: Valentin Longchamp <valentin.longchamp@ch.abb.com>
CC: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/kmtepr2_defconfig b/configs/kmtepr2_defconfig
index 3605a55..e710c9f 100644
--- a/configs/kmtepr2_defconfig
+++ b/configs/kmtepr2_defconfig
@@ -138,6 +138,7 @@
 CONFIG_ACR_PARKM_USB_I2C1_BOOT=y
 CONFIG_LCRR_EADC_1=y
 CONFIG_LCRR_CLKDIV_2=y
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_MISC_INIT_R=y
@@ -165,6 +166,7 @@
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_ENV_ADDR=0xF00C0000
 CONFIG_ENV_ADDR_REDUND=0xF00E0000
+CONFIG_DM=y
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_BOOTCOUNT_BOOTLIMIT=3
 # CONFIG_MMC is not set