paddle-lite文档中提供的昇腾示例程序无基于华为昇腾 NPU运行demo

文档链接&描述 Document Links & Description
文档地址
https://www.paddlepaddle.org.cn/lite/v2.12/demo_guides/huawei_ascend_npu.html

示例程序链接
https://paddlelite-demo.bj.bcebos.com/devices/generic/PaddleLite-generic-demo_v2_11_0.tar.gz

根据文档提示运行
```
$ ./run.sh mobilenet_v1_fp32_224 linux arm64 huawei_ascend_npu
```

报错文件缺失
```
./build.huawei ascend npu.arm64/demo': No such file or directory
```