Add test for the Intel IPU3 pipeline that lists all the cameras
registered in the system and verifies the result matches the expected.
This test is meant to be run on IPU3 platforms, it gets skipped
otherwise.
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
