Improve signature collection script by adding configuration and actually collecting the valid sigs.
Improve signature collection script by adding configuration and actually
collecting the valid sigs.

* tools/dist/collect_sigs.py
  (): Import the configuration options.
  (save_valid_sig): New.
  (process_sig): Save the valid signatures.
  (main): Use the config options.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1036166 13f79535-47bb-0310-9956-ffa450edef68

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