text: Title: [Bug] fix DeepSeek V2/V3 awq
  Body: ### Checklist
  
  - [ ] 1. I have searched related issues but cannot get the expected help.
  - [ ] 2. The bug has not been fixed in the latest version.
  - [ ] 3. Please note that if the bug-related issue you submitted lacks corresponding environment info and a minimal reproducible demo, it will be challenging for us to reproduce and resolve the issue, reducing the likelihood of receiving feedback.
  - [ ] 4. If the issue you raised is not a bug but a question, please raise a discussion at https://github.com/sgl-project/sglang/discussions/new/choose Otherwise, it will be closed.
  - [ ] 5. Please use English, otherwise it will be closed.
  
  ### Describe the bug
  
  I tried to integrate the awq dequant from sgl-kernel and found that both the main version and the integrated version have issues with the awq of DeepSeek V2 Coder and DeepSeek V3, which need to be fixed.
  
  ```
  casperhansen/deepseek-coder-v2-instruct-awq
  cognitivecomputations/DeepSeek-V3-AWQ
  ```
  
  ### Reproduction
  
  N/A
  
  ### Environment
  
  N/A