Mandatory properties:
- description : Textual description of the component sub-image
- type : Name of component sub-image type, supported types are:
- "standalone", "kernel", "ramdisk", "firmware", "script", "filesystem",
- "flat_dt" and others (see uimage_type in common/image.c).
+ "standalone", "kernel", "kernel_noload", "ramdisk", "firmware", "script",
+ "filesystem", "flat_dt" and others (see uimage_type in common/image.c).
- data : Path to the external file which contains this node's binary data.
- compression : Compression used by included data. Supported compressions
are "gzip" and "bzip2". If no compression is used compression property