[Phi] Move part sum op kernel #40873
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PR types
Function optimization
PR changes
OPs
Describe
[Phi] Move part sum op kernel
这个sum op参数组合情况极为复杂，现阶段仅迁移支持DenseTensor的版本，以支持动态图yaml接入：
vector<Variable>, Variable为DenseTensor，SelectedRows，LoDTensorArray及其互相组合的成员，无法表示为vector<具体Tensor>输入输出在逻辑上叉乘组合，Kernel数量也会很多
后续再尝试迁移其他情况，需要一些机制上的拓展才能完成