elpa: prefer 2016.05.004 until sse/avx/avx2 issues are resolved (#13530)
elpa: prefer 2016.05.004 until sse/avx/avx2 issues are resolved (#13530)

- configuration fails on newer versions when enabling sse/avx/avx2
- prefer an older version that will build with these features
LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack,LLNL/spack,iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack