main: add default option to use test-source

Now that we have test-source which provides video by generating a test
pattern in userspace, allow its selection in the command line options.
Since it isn't backed by anything, it is set as the default video source
if nothing else is specified.

Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

0 files changed, 0 insertions, 0 deletions