configs: kirkwood: Move RTC_MV to DM and Kconfig

Now that there is DM support in the RTC_MV driver update board configs
to use it.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/configs/ds109_defconfig b/configs/ds109_defconfig
index fd10e6e..6428614 100644
--- a/configs/ds109_defconfig
+++ b/configs/ds109_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0x600000
 CONFIG_TARGET_DS109=y
 CONFIG_DEFAULT_DEVICE_TREE="kirkwood-ds109"
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_IDE=y
@@ -12,11 +13,11 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
-CONFIG_CMD_DATE=y
 CONFIG_CMD_FAT=y
 CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_DM=y
 CONFIG_MVSATA_IDE=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
@@ -26,6 +27,8 @@
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_NETDEVICES=y
 CONFIG_MVGBE=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_MV=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_KIRKWOOD_SPI=y