[rocm-libraries] ROCm/rocm-libraries#6741 (commit 0d4180f)

[CK] restore fmha performance reporting and disable c++17 in CI. (#6741)

## Motivation

This change restores monitoring of FMHA benchmarks performance in daily
builds and removes the std=c++17 flag from CI builds on gfx90a.

## 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.