gallium: Bump PIPE_MAX_SHADER_IMAGES to 64
This is required by OpenCL Reviewed-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Karol Herbst <kherbst@redhat.com> Part-of: <!15988>
This is required by OpenCL Reviewed-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Karol Herbst <kherbst@redhat.com> Part-of: <!15988>