build: bump vmm-sys-util from 0.8.0 to 0.9.0

Bumps [vmm-sys-util](https://github.com/rust-vmm/vmm-sys-util) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/rust-vmm/vmm-sys-util/releases)
- [Changelog](https://github.com/rust-vmm/vmm-sys-util/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vmm-sys-util/compare/v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: vmm-sys-util
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

This needed a bunch of manual updates as well, including vfio-ioctls and
vhost crates. The vhost crate is being patched with the latest version
from rust-vmm because the version 0.1.0 on crates.io doesn't include the
patches we need yet.

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

vhost_user_net/Cargo.toml

@@ -16,4 +16,4 @@ vhost_user_backend = { path = "../vhost_user_backend" }
 vhost = { version = "0.1.0", features = ["vhost-user-slave"] }
 virtio-bindings = "0.1.0"
 vm-memory = "0.6.0"
-vmm-sys-util = "0.8.0"
+vmm-sys-util = "0.9.0"