Update GPU package to allow using CUDA 11.3 drivers

[rbberger]

Summary

Enables continued use of workaround LAL_USE_OLD_NEIGHBOR in GPU package with CUDA >= 11.2
Also fixes an issue in OpenCL backend. Subgroups are an optional feature that needs to be checked before usage.

Related Issue(s)

Closes #2718

Author(s)

@rbberger (Temple U)

Licensing

By submitting this pull request, I agree, that my contribution will be included in LAMMPS and redistributed under either the GNU General Public License version 2 (GPL v2) or the GNU Lesser General Public License version 2.1 (LGPL v2.1).

Backward Compatibility

Implementation Notes

Post Submission Checklist

• The feature or features in this pull request is complete
• Licensing information is complete
• Corresponding author information is complete
• The source code follows the LAMMPS formatting guidelines
• Suitable new documentation files and/or updates to the existing docs are included
• The added/updated documentation is integrated and tested with the documentation build system
• The feature has been verified to work with the conventional build system
• The feature has been verified to work with the CMake based build system
• Suitable tests have been added to the unittest tree.
• A package specific README file has been included or updated
• One or more example input decks are included

Further Information, Files, and Links

[ndtrung81]

@rbberger thanks for looking into this issue!