[Feature]: nncase k510 update to v1.7.0

[wangjianxin-canaan]

Feature description

详见nncase网站 : https://github.com/kendryte/nncase/releases/tag/v1.7.0

Want resolve what problem

Fix/fold matmul add (#584)
fix onnx prelu importer (#585)
remove quantization range limitation (#596)
修复demo1 landmark问题(demo1编译模型脚本有更新，量化时需要使用人脸真实图片，脚本和图片参考附件的demo1_data.tgz)

Anything else

No response