fix bug, 1 fix cuda oom, 2 fix choose a window size 400 that is [2, 0] (#2075)

Nixon

2024-09-14 1af68ba6ffc21d4dc3bd5f01cda656def97e361c

 funasr/models/llm_asr/__init__.py

copy from funasr/models/whisper/utils/__init__.py
copy to funasr/models/llm_asr/__init__.py