Hardware Compatibility Notes: Add iwn(4)

[concussious.bugzilla_runbox.com]

Summary

Replace a single chipset supported by iwn with generation from the manual.

Depends on https://github.com/freebsd/freebsd-src/pull/1474

If this is acceptable, please git commit --author="Alexander Ziaee <[e-mail]>". Thanks!

[bz]

Who's going to commit it? Should I just? I am also not sure who's committing the gh stuff. I am a lot more fine with doing review here rather than on gh by the way (or rather than half-half).

[concussious.bugzilla_runbox.com]

Sounds good! I moved the other piece to here. In the future I will make all patches in this series on phabricator. Thanks!

https://reviews.freebsd.org/D47168

[concussious.bugzilla_runbox.com]

Related: https://reviews.freebsd.org/D47170

[concussious.bugzilla_runbox.com]

Thanks!