[GCN] fix intrinsics check

[simeonschaub]

Now that we are using more recent device libs, we need to correctly identify amdgcn intrinsics

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 81.89%. Comparing base (3ee1499) to head (f356c77).

Files with missing lines	Patch %	Lines
src/gcn.jl	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #894      +/-   ##
==========================================
+ Coverage   81.79%   81.89%   +0.10%     
==========================================
  Files          26       26              
  Lines        4893     4893              
==========================================
+ Hits         4002     4007       +5     
+ Misses        891      886       -5     

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