[AMD] update model in case qwen3.5-fp4-mi355x-sglang

[yuzho-amd]

Update the model in case qwen3.5-fp4-mi355x-sglang from amd/Qwen3.5-397B-A17B-MXFP4 to amd/Qwen3.5-397B-A17B-MXFP4-AttnFP8-V2.
This model has quantized attention to PTPC FP8 and shared experts to MXFP4.

This is the end-to-end performance results on MI355:

And it needs these PRs from aiter and sglang:

repo	PR	summary	status
aiter	ROCm/aiter#4346	fix allreduce acc issue	merged
aiter	ROCm/aiter#4396	add ptpc tuned config	approved
sglang	sgl-project/sglang#29723	fuse allreduce+rmsnorm+inputquant	waiting for review
aiter	ROCm/aiter#4001	update fusedmoe tuned config	merged
aiter	ROCm/aiter#4025	update fusedmoe tuned config	merged