message: [Examples] Added additional okina device run examples
diff: // ex1 -m ../data/mobius-strip.mesh -o -1 -sc
  //
  // Device runs: ex1 -p -d cuda
  +// ex1 -p -d 'cuda raja'
  // ex1 -p -d 'cuda occa'
  -// ex1 -p -d 'raja omp'
  +// ex1 -p -d 'omp raja'
  +// ex1 -p -d 'omp occa'
  // ex1 -m ../data/beam-hex.mesh -p -d cuda
  //
  // Description: This example code demonstrates the use of MFEM to define a
  