Merge topic 'hip-no-hipcc' into release-3.21

cb93f72624 HIP: Simplify detection of HIP runtime CMake package
a71f0fc9c7 HIP: Remove ROMClang compiler id and use Clang directly
b125e9809a HIP: Detect ROCm path earlier
735f41fc2d HIP: Use 'rocm_agent_enumerator' to determine CMAKE_HIP_ARCHITECTURES

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Acked-by: Raul Tambre <raul@tambre.ee>
Acked-by: Axel Huebl <axel.huebl@plasma.ninja>
Merge-request: !6533