am 4c53fc7e: am 78b875e7: am edab852f: Merge "docs: update uses-feature doc with USB features, add TOC at the top and revise some other stuff" into honeycomb-mr1

* commit '4c53fc7ec921c0959f021a475fe0d91b7e6ddc2d':
  docs: update uses-feature doc with USB features, add TOC at the top and revise some other stuff