[Bugfix] PTPC gemm invocation and general gemm

[tjtanaavllm]

Per-Token-Activation Per-Channel-weight (PTPC) quantized Model:

(With AITER Linear)
vllm (pretrained=RedHatAI/Qwen3-235B-A22B-FP8-dynamic,tensor_parallel_size=8,enable_expert_parallel=True,add_bos_token=True,max_model_len=10000,trust_remote_code=True), gen_kwargs: (None), limit: None, num_fewshot: 8, batch_size: 500
|  Tasks  |Version|     Filter     |n-shot|  Metric   |   |Value |   |Stderr|
|---------|------:|----------------|-----:|-----------|---|-----:|---|-----:|
|gsm8k_cot|      3|flexible-extract|     8|exact_match|↑  |0.9022|±  |0.0082|
|         |       |strict-match    |     8|exact_match|↑  |0.8324|±  |0.0103|

(Without AITER Linear) fix the gemm dispatcher
vllm (pretrained=EmbeddedLLM/Qwen2.5-32B-Instruct-FP8-Dynamic,tensor_parallel_size=8,trust_remote_code=True), gen_kwargs: (None), limit: None, num_fewshot: 8, batch_size: 128
|  Tasks  |Version|     Filter     |n-shot|  Metric   |   |Value |   |Stderr|
|---------|------:|----------------|-----:|-----------|---|-----:|---|-----:|
|gsm8k_cot|      3|flexible-extract|     8|exact_match|↑  |0.7566|±  |0.0118|
|         |       |strict-match    |     8|exact_match|↑  |0.8135|±  |0.0107|

(With AITER Linear)
vllm (pretrained=EmbeddedLLM/Qwen2.5-32B-Instruct-FP8-Dynamic,tensor_parallel_size=8,trust_remote_code=True), gen_kwargs: (None), limit: None, num_fewshot: 8, batch_size: 128
|  Tasks  |Version|     Filter     |n-shot|  Metric   |   |Value |   |Stderr|
|---------|------:|----------------|-----:|-----------|---|-----:|---|-----:|
|gsm8k_cot|      3|flexible-extract|     8|exact_match|↑  |0.7672|±  |0.0116|
|         |       |strict-match    |     8|exact_match|↑  |0.8324|±  |0.0103|

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