Add shield for Eclipse HIPP build status.
Add shield for Eclipse HIPP build status.

Thanks to Jens Reimann for the hint :-)

Signed-off-by: Kai Hudalla <6c3288b94355003a6c5f12ba233f9fc06ef02a62@bosch-si.com>
dejanb/hono,dejanb/hono,dejanb/hono