Expose Vulkan 1.3 on v3dv, both rpi4 and rpi5
VK_EXT_descriptor_buffer on nvk
VK_EXT_post_depth_coverage on nvk
VK_KHR_video_maintenance1 on radv
VK_EXT_legacy_vertex_attributes on nvk
GL_KHR_shader_subgroup on radeonsi
VK_KHR_maintenance7 on nvk