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/am335x_sl50_defconfig b/configs/am335x_sl50_defconfig
index 855e1ca..b78339d 100644
--- a/configs/am335x_sl50_defconfig
+++ b/configs/am335x_sl50_defconfig
@@ -41,4 +41,5 @@
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SYS_NS16550=y
 CONFIG_FAT_WRITE=y
+CONFIG_LZO=y
 CONFIG_OF_LIBFDT=y