gfxstream + rutabaga: enable rutabaga

This change enables rutabaga to receive virtio-gpu-3d hypercalls
when it is active.

v3: Whitespace fix (Akihiko)
v9: reorder virtio_gpu_have_udmabuf() after checking if rutabaga
    is enabled to avoid spurious warnings (Akihiko)

Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Alyssa Ross <hi@alyssa.is>
Tested-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
4 files changed