fix(tool): Fix bindgen.sh

From: Takahiro Itazuri <[email protected]>

`bindgen.sh` was broken for the following reasons:
- `--size_t-is-usize` was removed since it became default behavior.
- `*_gen` crates were moved under `vmm` crate and patching `iff.rs` no
  longer works.
- `io_uring` crate was moved under `vmm` crate and the bindings path
  became wrong.

Fix `bindgen.sh` and regenerates bindings.

Signed-off-by: Takahiro Itazuri <[email protected]>
Co-authored-by: Patrick Roy <[email protected]>
Signed-off-by: Patrick Roy <[email protected]>

Author: zulinx86

src/vmm/src/arch_gen/x86/hyperv.rs

@@ -1,4 +1,4 @@
-// Copyright 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
 // automatically generated by tools/bindgen.sh

src/vmm/src/arch_gen/x86/hyperv_tlfs.rs

@@ -1,4 +1,4 @@
-// Copyright 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
 // automatically generated by tools/bindgen.sh