feature: add diagnostic configuration stages to device availability check

[graugans]

This checks if the device is online

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 39 lines in your changes are missing coverage. Please review.

Project coverage is 33.83%. Comparing base (dc56adc) to head (c5b1369).
Report is 1 commits behind head on v2.

Files	Patch %	Lines
pkg/ovp8xx/client.go	0.00%	34 Missing ⚠️
cmd/ovp8xx/cmd/waitforonline.go	0.00%	5 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##               v2      #10      +/-   ##
==========================================
- Coverage   35.27%   33.83%   -1.45%     
==========================================
  Files          19       19              
  Lines         822      857      +35     
==========================================
  Hits          290      290              
- Misses        531      566      +35     
  Partials        1        1              

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