dpcpp: added a new package (#25130)
dpcpp: added a new package (#25130)

dpcpp stands for Data Parallel C++
dpcpp is Intel's implementation of SYCL

Co-authored-by: ravil <a2bfa2c0f6a6569e0d530b318706d39d2fd5aef1@tum.de>
LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack