swddude: add package

Signed-off-by: Federico Vaga <federicov@linino.org>
.config: add swddude
yun-scripts: add run-swddude script

TODO yun-scripts is not the right place, this script should be move in
something like linino-scripts

Signed-off-by: Federico Vaga <federicov@linino.org>
Merge branch 'devel-fede-swddude' of github.com:linino/linino_distro into devel-fede-swddude