configs: Migrate RBTREE, LZO, CMD_MTDPARTS, CMD_UBI and CMD_UBIFS

The above CONFIG options are in Kconfig, and now have correct depends and
inter-dependencies.  Migrate these to configs/ from include/configs/.  In the
case of CMD_UBIFS also change it to be a default y if CMD_UBI.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/igep0032_defconfig b/configs/igep0032_defconfig
index 5859e6e..a7492d9 100644
--- a/configs/igep0032_defconfig
+++ b/configs/igep0032_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_UBI=y
+# CONFIG_CMD_UBIFS is not set
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y