- Assert that a reserved resource returned via resource_list_alloc() is not

- Assert that a reserved resource returned via resource_list_alloc() is not
  active.
- Fix bus_generic_rl_(alloc|release)_resource() to not attempt to fetch a
  resource list for grandchild devices, but just pass those requests up to
  the parent directly.  This worked by accident previously, but it is
  better to not let bus drivers try to operate on devices they do not
  manage.