Make Marlin incompatible AWQ models work

[bjmsong]

Motivation

Relate to #3571, some AWQ models are incompatible with marlin kernels.

Modifications

Use unoptimized kernel if the models are incompatible with marlin kernels.

test script

python examples/runtime/engine/offline_batch_inference.py --model=${DeepSeek-V2-Lite-Chat-AWQ} --trust-remote-code

refer to this PR

Checklist

• Format your code according to the Code Formatting with Pre-Commit.
• Add unit tests as outlined in the Running Unit Tests.
• Update documentation / docstrings / example tutorials as needed, according to Writing Documentation.
• Provide throughput / latency benchmark results and accuracy evaluation results as needed, according to Benchmark and Profiling and Accuracy Results.
• For reviewers: If you haven't made any contributions to this PR and are only assisting with merging the main branch, please remove yourself as a co-author when merging the PR.
• Please feel free to join our Slack channel at https://slack.sglang.ai to discuss your PR.

[github-actions]

This pull request has been automatically closed due to inactivity. Please feel free to reopen it if needed.