(www.linux-mtd.infradead.org). Activate this option if you want
to use U-Boot UBI commands.
+config CMD_UBIFS
+ tristate "Enable UBIFS - Unsorted block images filesystem commands"
+ select CRC32
+ select RBTREE if ARCH_SUNXI
+ select LZO if ARCH_SUNXI
+ help
+ UBIFS is a file system for flash devices which works on top of UBI.
+
endmenu