Add fwu raw_installer

The raw_installer can be used to install a raw image directly into
a storage volume. The raw_installer can be used for say installing
a whole firmware update contained within a single image into target
storage such as a flash partition.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I78de31ffdd8185adaf91c98865f457776cada2a5
6 files changed