util/format: Assert that formats are valid
It should be the responsibility of the driver to make sure, that "format" is a valid pipe_format. Signed-off-by:Konstantin Seurer <konstantin.seurer@gmail.com> Reviewed-by:
Alyssa Rosenzweig <alyssa@collabora.com> Reviewed-by:
Marek Olšák <marek.olsak@amd.com> Part-of: <mesa/mesa!17490>