- output of the list-targets.py to update list of supported boards.
- change spaces to tabs.
- fixed if []; then syntax and few other cleanups.
- cleanups.
- use everywhere the same if []; then syntax ('s/] ; then/]; then/)
- add use more tabs in usage() and sort alphabetically options.
- looks like aarch64 support is now done.
- update usage output of the scripts.
  uses bash specyfic syntax.
- changed from /bin/bash to /bin/sh as long as nothing in scripts