board: da8xxevm: Add SPL DM for serial, spi

This patch add SPL DM support for da8xxevm boards
with SPL serial, SPI drivers supported via platdata.

Cc: Adam Ford <aford173@gmail.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Adam Ford <aford173@gmail.com> #da850evm
diff --git a/configs/da850_am18xxevm_defconfig b/configs/da850_am18xxevm_defconfig
index 6745cd1..8487509 100644
--- a/configs/da850_am18xxevm_defconfig
+++ b/configs/da850_am18xxevm_defconfig
@@ -8,6 +8,7 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL=y
+CONFIG_SPL_DM=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=1
@@ -35,6 +36,8 @@
 CONFIG_CMD_DIAG=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="da850-evm"
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_SPL_OF_PLATDATA=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_DM=y
 CONFIG_DA8XX_GPIO=y