[rocm-libraries] ROCm/rocm-libraries#4514 (commit 5378ee0)

[CK] add check for THEROCK_SANITIZER in cmake

## Motivation

Check whether the THEROCK_SANITIZER flag is set to ASAN or HOST_ASAN.

## Technical Details

In case the THEROCK_SANITIZER flag is set to ASAN or HOST_ASAN and no
GPU_TARGETS is selected, the list of the default targets will be set to
"gfx908:xnack+;gfx90a:xnack+;gfx942:xnack+;gfx950:xnack+".

## 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.