Add usercustomize.py file to adapt script to Ascend/Cambricon hardwar…

[baominghelly]

What changes do we make in this PR?

• Add usercustomize.py file to adapt script to Ascend/Cambricon hardware platform
• Bug fix for GAN/dcgan script
• Add a whole test script

Test evidence

bash run_train_all.sh GAN
所有任务的详细日志将被保存在: /home/libaoming/workplace/PyTorchModels/run_logs_20250618_081459
超时限制设置为: 10m
模式: 执行指定的测试组: GAN

================== [ 开始执行: run_test_gan ] ==================
详细日志 -> /home/libaoming/workplace/PyTorchModels/run_logs_20250618_081459/run_test_gan.log
================== [ 成功 (超时终止): run_test_gan ] ==================


=======================================================
                      测试执行总结
=======================================================
所有日志保存在目录: /home/libaoming/workplace/PyTorchModels/run_logs_20250618_081459
总计执行任务: 1
总耗时: 600 秒
🟢 成功 (含超时): 1 个
🔴 失败: 0 个

--- 因超时而成功的任务列表 (1个) ---
  - run_test_gan

--- 完整成功任务列表 (含正常完成及超时) ---
  - run_test_gan (超时)
=======================================================