Rebranding PGI compilers to NVIDIA HPC SDK.
PGI compilers are rebranding to NVIDIA HPC SDK compilers. All PGI compiler names, pg*, is renamed to Nvidia compiler names, nv*, e.g. pgc++ to nvc++.
More info here: https://developer.nvidia.com/hpc-sdk
This issue is created for MR !5475 (merged).