Added test scripts for hpvm-profiler

hpvm/test/CMakeLists.txt

hpvm/test/README.md

hpvm/test/dnn_benchmarks/README.md

hpvm/test/dnn_benchmarks/profiling/CMakeLists.txt

hpvm/test/dnn_benchmarks/profiling/README.md

hpvm/test/dnn_benchmarks/profiling/alexnet2_cifar10.test

hpvm/test/dnn_benchmarks/profiling/alexnet_cifar10.test

hpvm/test/dnn_benchmarks/profiling/lenet_mnist.test

hpvm/test/dnn_benchmarks/profiling/lit.cfg.py

hpvm/test/dnn_benchmarks/profiling/mobilenet_cifar10.test

hpvm/test/dnn_benchmarks/profiling/resnet18_cifar10.test

hpvm/test/dnn_benchmarks/profiling/test_hpvm_c_profiling.py