util/u_queue: handle OS_TIMEOUT_INFINITE in util_queue_fence_wait_timeout

Fixes e.g. piglit/bin/bufferstorage-persistent read -auto

Fixes: e6dbc804a87a ("winsys/amdgpu: handle cs_add_fence_dependency for deferred/unsubmitted fences")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
1 file changed