Add a framework for bindgen scripts.
This will be filled in when each binding is added in upcoming separate
commits.
BUG=b:218388029
TEST=None
Change-Id: I62363b49d92ceb5b54700589c2329daace7181b8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3339804
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>