radv: Expose VK_KHR_swapchain_mutable_format.

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2354
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3425>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3425>
3 files changed