[llvm] [AMDGPU] Update codegen tests for PR #154069 (PR #154862)

[Matt Arsenault via llvm-commits]

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@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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arsenm wrote:

This one is broken, it would need to use update_mir_test_checks. Also for the purposes of your patch I would just remove the amdgpu_kernel from the function 

https://github.com/llvm/llvm-project/pull/154862