### What this PR does / why we need it? Fixed the issue where the DCP overlaps the MTP scenario in the ds3.2 scenario. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? cherry-pick from: https://github.com/vllm-project/vllm-ascend/pull/7617 Signed-off-by: weiguihua2 <weiguihua2@huawei.com>