[Scheduler][MTP] Add support for speculative decoding in AsecendScheduler. (#943)
This PR adds support for speculative decoding in AsecendScheduler. Also inculde part of support for disaggregated prefill, full support will be merged in follow-up PR. --------- Signed-off-by: whx-sjtu <2952154980@qq.com>
This commit is contained in: