Adds support for NEC IX devices.

[mikenowak]

Pre-Request Checklist

• Passes rubocop code analysis (try rubocop --auto-correct)
• Tests added or adapted (try rake test) N/A I beleive
• Changes are reflected in the documentation
• User-visible changes appended to CHANGELOG.md

Description

Adds support for NEC IX devices.

[mortzu]

Can you complete the checklist, please?

[codecov-commenter]

Codecov Report

Merging #2409 (a3253a4) into master (8179f48) will decrease coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2409      +/-   ##
==========================================
- Coverage   62.59%   62.45%   -0.14%     
==========================================
  Files          30       30              
  Lines        1497     1497              
==========================================
- Hits          937      935       -2     
- Misses        560      562       +2     

Impacted Files	Coverage Δ
lib/oxidized/output/git.rb	17.35% <0.00%> (-1.66%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8179f48...a3253a4. Read the comment docs.

[mikenowak]

I've updated the checklist and the model based on rubocop --auto-correct.

As for rake test, I don't believe these apply to models.