kmeans opencl init commit

llvm/test/VISC/parboil/benchmarks/kmeans/Makefile

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/Makefile

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/README

.../test/VISC/parboil/benchmarks/kmeans/src/opencl/cluster.c

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/getopt.c

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/getopt.h

.../test/VISC/parboil/benchmarks/kmeans/src/opencl/kmeans.cl

...test/VISC/parboil/benchmarks/kmeans/src/opencl/kmeans.cpp

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/kmeans.h

.../parboil/benchmarks/kmeans/src/opencl/kmeans_clustering.c

...st/VISC/parboil/benchmarks/kmeans/src/opencl/read_input.c

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/rmse.c

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/run

llvm/test/VISC/parboil/benchmarks/kmeans/src/opencl/unistd.h