Update platform_cdf.csv

[jacorvar]

Add GPL17811 platform support.

[jakejh]

Thanks! Can you make the following changes?

1. In DESCRIPTION, change Version to "1.1.5".
2. In NEWS.md, add the following at the top:

# seeker 1.1.5
* Added support for GPL17811 (thanks to @jacorvar).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2fa0646) 65.73% compared to head (f055e09) 65.73%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #45   +/-   ##
=======================================
  Coverage   65.73%   65.73%           
=======================================
  Files           9        9           
  Lines        1074     1074           
=======================================
  Hits          706      706           
  Misses        368      368           

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