Add OSU Micro-Benchmarks for GPU-Aware MPI with ROCm

Build Options:
  download    Download OSU Micro-Benchmarks tarball
  build       Build OSU Micro-Benchmarks with ROCm support
  install     Download and build (full installation)

Benchmark Options:
  quick       Run quick sanity tests (default)
  full        Run full benchmark suite
  bandwidth   Run bandwidth-focused benchmarks
  latency     Run latency-focused benchmarks
  collective  Run collective operation benchmarks

Author: saiislam