[XPU] add kernel for mtp

[cmcamdy]

Motivation

• XPU中部分缺失算子新增

Modifications

Usage or Command

Accuracy Tests

Checklist

• Add at least a tag in the PR title.
  • Tag list: [[FDConfig],[APIServer],[Engine], [Scheduler], [PD Disaggregation], [Executor], [Graph Optimization], [Speculative Decoding], [RL], [Models], [Quantization], [Loader], [OP], [KVCache], [DataProcessor], [BugFix], [Docs], [CI], [Optimization], [Feature], [Benchmark], [Others], [XPU], [HPU], [GCU], [DCU], [Iluvatar], [Metax]]
  • You can add new tags based on the PR content, but the semantics must be clear.
• Format your code, run pre-commit before commit.
• Add unit tests. Please write the reason in this PR if no unit tests.
• Provide accuracy results.
• If the current PR is submitting to the release branch, make sure the PR has been submitted to the develop branch, then cherry-pick it to the release branch with the [Cherry-Pick] PR tag.

[paddle-bot]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 33.33333% with 4 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@85db063). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...cutor/layers/sample/ops/speculate_logprob_utils.py	33.33%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #6260   +/-   ##
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  Coverage           ?   68.19%           
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  Files              ?      391           
  Lines              ?    52170           
  Branches           ?     8129           
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  Hits               ?    35577           
  Misses             ?    13990           
  Partials           ?     2603           

Flag	Coverage Δ
GPU	68.19% <33.33%> (?)

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[hong19860320]

ops 和 xpu kernels 的 MAX_BSZ 定义是否能统一放在同一个头文件里？