* 修复静态图多机多卡无法训练bug,  合并至release/2.4

* fix Misspelled words [2机4卡]

* Fix some typos in *.md.

* Fix some typos in code.

* [NPU] fix yolov3 error on NPU, test=develop

* fix xpu, test=develop

* add mkldnn bfloat16 args

* add mkldnn_bfloat16 to static deploy

* update

* update

* Add enable_mkldnn to infer.py

* update citation

* update citation

* slove_readme_link_useless

* add ppyolo_eb parameters and polish ppyolo doc, test=document_fix

* fix docs format

* a version of ppyolo for EdgeBoard

* a version of ppyolo for EdgeBoard

Besides removing unnecessary imports, this also fixes the missing logger module in test_architectures.py within the static directory.

* support xpu inference

* fix eval snapshot_epoch