SNL sparta

[rfhaque]

This PR adds the Sparta application (docs: Adding a Benchmark)

• Not using develop, source code: Sparta build for AMD GPUs sparta/sparta#573
• Adding repo/sparta-snl/package.py to specify build
• Adding repo/sparta-snl/application.py to specify runtime parameters
• Adding experiments/sparta-snl/experiment.py to specify the experiment to run
• Sparta dry run is passing
• Add Sparta+openmp and Sparta+rocm to CI on Dane and Tuo or Tioga
• Update the package to meet Spack 1.0 requirements @scheibelp

[pearce8]

• Sparta dry run should be passing
• Add Sparta+openmp and Sparta+rocm to CI on Dane and Tuo or Tioga
• Since this will likely go in after the Spack 1.0 support, please update the package to meet Spack 1.0 requirements.

[scheibelp]

(this looks compatible with #953)