configs: at91sam9rlek: Update for DT and DM support

Update the configuration files to support the device tree and driver
model. The device clock and pins configuration are handled by the
clock and the pinctrl drivers respectively.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/at91sam9rlek_dataflash_defconfig b/configs/at91sam9rlek_dataflash_defconfig
index 49e1353..24fbfe6 100644
--- a/configs/at91sam9rlek_dataflash_defconfig
+++ b/configs/at91sam9rlek_dataflash_defconfig
@@ -1,6 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_DATAFLASH"
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
@@ -20,5 +22,17 @@
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
+CONFIG_DM_GPIO=y
+CONFIG_AT91_GPIO=y
+CONFIG_DM_MMC=y
+CONFIG_GENERIC_ATMEL_MCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_AT91=y
+CONFIG_DM_SERIAL=y
+CONFIG_ATMEL_USART=y
 CONFIG_LCD=y
-CONFIG_OF_LIBFDT=y