Add tpu_spawn_debug to plugin registry

[kaushikb11]

What does this PR do?

Add tpu_spawn_debug to plugin registry

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[codecov]

Codecov Report

Merging #7933 (b0e8537) into master (92024df) will decrease coverage by 5%.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master   #7933    +/-   ##
=======================================
- Coverage      92%     87%    -5%     
=======================================
  Files         207     207            
  Lines       13365   13368     +3     
=======================================
- Hits        12235   11603   -632     
- Misses       1130    1765   +635