Make the tarballs location configurable.
Make the tarballs location configurable.

Will require config changes to be made by: hwright

* tools/dist/collect_sigs.py
  (config.filesdir): New config.
  (files): New helper.
  (default_page, verify_sig): Use config.filesdir.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1038302 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion