clover: add trivial clCreateCommandQueueWithProperties implementation

clover: add trivial clCreateCommandQueueWithProperties implementation

It's not adding 2.0 features, but it's enough to run the 2.0 CTS on top of
clover and probably most CL applications using it.

We just fail if we hit unknown properties and that's probably good enough
until we implement the other bits properly.

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Pierre Moreau <dev@pmoreau.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2370>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2370>