(Closes #3060) reference accesses for intrinsicCall

[LonelyCat124]

No description provided.

[LonelyCat124]

Follow-on to #3119

[codecov]

Codecov Report

❌ Patch coverage is 99.63235% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 99.89%. Comparing base (769cf00) to head (9335f5e).
⚠️ Report is 84 commits behind head on master.

Files with missing lines	Patch %	Lines
src/psyclone/lfric.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3125      +/-   ##
==========================================
- Coverage   99.90%   99.89%   -0.01%     
==========================================
  Files         374      374              
  Lines       52383    52714     +331     
==========================================
+ Hits        52332    52659     +327     
- Misses         51       55       +4     

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[LonelyCat124]

@sergisiso I have a first implementation of this now if you want to examine it if you have time. Its currently "blocked" by #3119 (which is in turn dependent on #3110 ) so there's very much no rush on this, especially if I do solve some other issues before we merge 3319.

[LonelyCat124]

Moved this up to date with latest master and #3119, so now its ready to be updated using argument names instead of any indices.