qom: update object_resolve_path*() documentation

- update doc to reflect that @ambiguous is now set true or false on failure
- specify that @ambiguous is nullable
- use some gtk-doc annotations

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Link: https://lore.kernel.org/r/20241002080806.2868406-4-marcandre.lureau@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed