Support preshuffled layout in indexer_k_quant_and_cache / cp_gather_indexer_k_quant_cache#2879

valarLip merged 5 commits intoROCm:mainROCm/aiter:mainfrom

1am9trash:support-indexer_k_quant_and_cache_kernel-with-preshuffle1am9trash/aiter:support-indexer_k_quant_and_cache_kernel-with-preshuffleCopy head branch name to clipboard