split arg_lut, causes, csr, csr32 from constants.py

[sequencer]

No description provided.

[aswaterman]

I agree this is an improvement, but I'd like @neelgala and others to weigh in before merging.

[codecov-commenter]

Codecov Report

Merging #195 (03d59c5) into master (e6b3022) will decrease coverage by 0.82%.
The diff coverage is 100.00%.

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@@            Coverage Diff             @@
##           master     #195      +/-   ##
==========================================
- Coverage   93.58%   92.76%   -0.82%     
==========================================
  Files           3        3              
  Lines         717      636      -81     
==========================================
- Hits          671      590      -81     
  Misses         46       46              

Files Changed	Coverage Δ
constants.py	100.00% <100.00%> (ø)

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[sequencer]

Basically, the reason of this PR is I'm drafting a cleaner parser in Scala: https://github.com/sequencer/rvdecoderdb, which need to make all necessary information machine readable. I personally don't want to parse python script, thus move those these metadata into csv files.

[neelgala]

lgtm.. but you will need to resolve the conflicts to get this merged.

[sequencer]

@neelgala Fixed :)

[sequencer]

Can we get this in?