kconfig: introduce kconfig for UBI

move the UBI config options into Kconfig.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andrew F. Davis <afd@ti.com>
Reviewed by: Evgeni Dobrev <evgeni at studio-punkt.com>
diff --git a/configs/colibri_vf_defconfig b/configs/colibri_vf_defconfig
index a045a3f..c7fc799 100644
--- a/configs/colibri_vf_defconfig
+++ b/configs/colibri_vf_defconfig
@@ -23,12 +23,14 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_UBI=y
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
 CONFIG_DM_GPIO=y
 CONFIG_VYBRID_GPIO=y
 CONFIG_NAND_VF610_NFC=y
 CONFIG_SYS_NAND_VF610_NFC_60_ECC_BYTES=y
+CONFIG_MTD_UBI_FASTMAP=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
 CONFIG_DM_SPI=y