Use as much of the created RAW_IMAGE for the root partition
Use as much of the created RAW_IMAGE for the root partition

This should fix https://github.com/gmacario/easy-build/issues/9

Signed-off-by: Gianpaolo Macario <d50c09b51e61901a1c5054dce86f92776c198faa@mentor.com>

gmacario/easy-build