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/goflexhome_defconfig b/configs/goflexhome_defconfig
index c0894c0..41d896a 100644
--- a/configs/goflexhome_defconfig
+++ b/configs/goflexhome_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TARGET_GOFLEXHOME=y
 CONFIG_IDENT_STRING="\nSeagate GoFlex Home"
 CONFIG_DEFAULT_DEVICE_TREE="kirkwood-goflexnet"
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_BOOTDELAY=3
 CONFIG_CONSOLE_MUX=y
 # CONFIG_DISPLAY_BOARDINFO is not set
@@ -16,7 +17,6 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
-CONFIG_CMD_DATE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
@@ -27,10 +27,13 @@
 CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_NAND=y
+CONFIG_DM=y
 CONFIG_MVSATA_IDE=y
 # CONFIG_MMC is not set
 CONFIG_NETDEVICES=y
 CONFIG_MVGBE=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_MV=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y