[GGUF] Support non-standard quant types with prefix (e.g. UD-IQ1_S)#39471

Isotr0py merged 3 commits into

vllm-project:mainvllm-project/vllm:mainfrom

sts07142:fix/gguf-nonstandard-quant-typests07142/vllm:fix/gguf-nonstandard-quant-typeCopy head branch name to clipboard