[PATCH v2 01/14] firmware: always generate sha256sum

[Marco Felsch]

On 25-03-11, Sascha Hauer wrote:
> Right now we only generate the sha256 for firmware files that are
> loaded from an external binary. Instead, always generate the sha256
> which helps with upcoming support for checking the next image hash.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>