[model] feat: Add ascend fused operators for Qwen3VL

[phdddd]

What does this PR do?

This PR is about the ascent fusion operator patch for the qwen3vl model.

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[gemini-code-assist]

Code Review

This pull request introduces fused operators for Ascend NPUs, focusing on AdamW and RoPE for Qwen3VL models. While the RoPE implementation appears solid, the fused AdamW implementation has a couple of significant issues. Firstly, it contains hardcoded CUDA device calls, which is a critical error for NPU-targeted code and will cause it to fail. Secondly, the implementation of the fused AdamW operator uses a loop over parameters, which negates the performance benefits of fusion. I have provided specific suggestions to address these high-priority issues.

[zhihaofang1017]

Could you provide a visual comparison of accuracy and performance?
How much performance improvement is there for each fusion operator?

[phdddd]

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