Change get_if_raw_hwaddr to get_if_hwaddr

[pemanpro]

I assume there was an update somewhere along the lines and the documentation here wasn't updated to reflect the new function name/functionality

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.08%. Comparing base (b54fdb7) to head (f7b20e8).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4802      +/-   ##
==========================================
- Coverage   80.08%   80.08%   -0.01%     
==========================================
  Files         365      365              
  Lines       89027    89027              
==========================================
- Hits        71296    71294       -2     
- Misses      17731    17733       +2     

see 7 files with indirect coverage changes

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[gpotter2]

Thanks for the PR !