vulkan: implement legacy entrypoints on top of VK_KHR_synchronization2

vulkan: implement legacy entrypoints on top of VK_KHR_synchronization2

v2: fix common vkQueueSubmit() pNext generation
    fix potential leak of perf_query_submit_info
    fix comment about casting VkQueue to vk_object_base
    add helper for barrier struct upgrades (Jason)
    reuse __vk_append_struct() (Jason)
    optimize vk_common_GetQueueCheckpointDataNV
    use multialloc for vk_common_QueueSubmit (Dave)

v3: Reuse new vk_queue/vk_command_buffer objects
    Fixup CmdWaitEvents() (Jason)

v4: Add comment about dep_flags for CmdWaitEvents() (Jason)

v5: Drop multialloc in VkQueueSubmit entrypoint (Jason)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> (v5)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9045>