tests: Add option --disable-hwf to the version utility.
* src/hwfeatures.c (_gcry_disable_hw_feature): Rewrite to allow passing a colon delimited feature set. (parse_hwf_deny_file): Remove unused var I. * tests/version.c (main): Add options --verbose and --disable-hwf.
- Signed-off-by: Werner Koch <wk@gnupg.org>