[rocm-libraries] ROCm/rocm-libraries#7384 (commit 10e9d70)

[CK] Suppress new staging compiler errors (#7384)

## Motivation

This should make new builds with staging compiler pass.

## Technical Details

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## Test Plan

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## Test Result

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## Submission Checklist

- [ ] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

codegen/src/headers.cpp

@@ -8,6 +8,7 @@ namespace ck {
 namespace host {
 
 #pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wno-unknown-warning-option"
 #pragma clang diagnostic ignored "-Wglobal-constructors"
 const std::string config_header = "";
 #pragma clang diagnostic pop