Backfill and new patches

These are the basis for the patches incorporated into the meta-gumstix recipes.

Similar patches for linux are in pabigot/linux@f9921c6a782e18c0efd0d70f782921a706e9ebd0 in branch gumstix/dylan/linux-gumstix-3.5 but I can't send you a pull request because the forks aren't related.