[rocm-libraries] ROCm/rocm-libraries#6933 (commit ac8b7d9)

[CK] Filter out unsupported targets. (#6933)

## Motivation

Filter out any unsupported targets, e.g., gfx900, gfx906, gfx90c, from
the GPU_TARGETS or GPU_ARCHS lists.

## Technical Details

<!-- Explain the changes along with any relevant GitHub links. -->

## Test Plan

<!-- Explain any relevant testing done to verify this PR. -->

## Test Result

<!-- Briefly summarize test outcomes. -->

## Submission Checklist

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