add ava hpa infer

	modified:   README.md
	new file:   ascend310_infer/CMakeLists.txt
	new file:   ascend310_infer/build.sh
	new file:   ascend310_infer/inc/utils.h
	new file:   ascend310_infer/src/main.cc
	new file:   ascend310_infer/src/utils.cc
	new file:   export.py
	new file:   postprocess.py
	new file:   preprocess.py
	new file:   scripts/run_infer_310.sh
	modified:   src/network_define_eval.py