arm: da850-evm: Enable DM and device tree support for da850-evm

With the device tree ported and DM compatible drivers, enable:
OF_CONTROL, DM_SPI, DM_SPI_FLASH and DM_SERIAL

Note: DM_SERIAL is not enabled for da850evm_direct_nor_defconfig
yet.

Reviewed-by: Jagan Teki <jagan@openedev.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/da850_am18xxevm_defconfig b/configs/da850_am18xxevm_defconfig
index 27370e7..832c9ce 100644
--- a/configs/da850_am18xxevm_defconfig
+++ b/configs/da850_am18xxevm_defconfig
@@ -1,17 +1,16 @@
 CONFIG_ARM=y
 CONFIG_ARCH_DAVINCI=y
 CONFIG_TARGET_DA850EVM=y
-CONFIG_TI_COMMON_CMD_OPTIONS=y
 CONFIG_MAC_ADDR_IN_EEPROM=y
+CONFIG_TI_COMMON_CMD_OPTIONS=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_DEFAULT_DEVICE_TREE="da850-evm"
 CONFIG_SYS_EXTRA_OPTIONS="DA850_AM18X_EVM,SYS_I2C_EEPROM_ADDR_LEN=2,SYS_I2C_EEPROM_ADDR=0x50"
 CONFIG_BOOTDELAY=3
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_CPUINFO is not set
 # CONFIG_DISPLAY_BOARDINFO is not set
@@ -19,7 +18,7 @@
 CONFIG_SPL=y
 CONFIG_SPL_BOARD_INIT=y
 CONFIG_HUSH_PARSER=y
-# CONFIG_CMD_BOOTZ is not set
+CONFIG_SYS_PROMPT="U-Boot > "
 # CONFIG_CMD_IMLS is not set
 CONFIG_CRC32_VERIFY=y
 # CONFIG_CMD_EEPROM is not set
@@ -33,10 +32,14 @@
 # CONFIG_CMD_EXT4 is not set
 # CONFIG_CMD_FS_GENERIC is not set
 CONFIG_CMD_DIAG=y
+CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_DM=y
+CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
+CONFIG_DM_SPI=y
 # CONFIG_FAT_WRITE is not set
-CONFIG_OF_LIBFDT=y