[doc] Update PULL_REQUEST_TEMPLATE.md

添加PR部分CI提醒

Author: supperthomas

.github/PULL_REQUEST_TEMPLATE.md

@@ -61,4 +61,5 @@ The following content must not be changed in the submitted PR message. Otherwise
 - [ ] 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
 - [ ] 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
 - [ ] 代码是高质量的 Code in this PR is of high quality
-- [ ] 已经使用[formatting](https://github.com/mysterywolf/formatting) 等源码格式化工具确保格式符合[RT-Thread代码规范](https://github.com/RT-Thread/rt-thread/blob/master/documentation/contribution_guide/coding_style_cn.md) This PR complies with [RT-Thread code specification](https://github.com/RT-Thread/rt-thread/blob/master/documentation/contribution_guide/coding_style_en.md) 
+- [ ] 已经使用[formatting](https://github.com/mysterywolf/formatting) 等源码格式化工具确保格式符合[RT-Thread代码规范](https://github.com/RT-Thread/rt-thread/blob/master/documentation/contribution_guide/coding_style_cn.md) This PR complies with [RT-Thread code specification](https://github.com/RT-Thread/rt-thread/blob/master/documentation/contribution_guide/coding_style_en.md)
+- [ ] 如果是新增bsp, 已经添加ci检查到[.github/workflows/bsp_buildings.yml](workflows/bsp_buildings.yml)  详细请参考链接[BSP自查](https://www.rt-thread.org/document/site/#/rt-thread-version/rt-thread-standard/development-guide/bsp-selfcheck/bsp_selfcheck)