v3dv: signal semaphore/fence if needed after acquiring a swapchain image

Fixes:
dEQP-VK.wsi.*.swapchain.acquire.too_many
dEQP-VK.wsi.*.swapchain.acquire.too_many_timeout

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
1 file changed