cann: update the docs CANN.md

Author: shibizhao

docs/backend/CANN.md

@@ -258,7 +258,15 @@ cmake --build build --config release
 ### **GitHub contribution**:
 Please add the **[CANN]** prefix/tag in issues/PRs titles to help the CANN-team check/address them without delay.
 
+## Updates
 ### Basic Flash Attention Support
 The basic FA kernel with aclnnops has been added in aclnn_ops.cpp. 
 Currently, the FA only supports the cases with FP16 KV tensors and NO logit softcap. 
-Since the aclnn interface for flash attention cannot support the logit softcap, we will only update the 
+Since the aclnn interface for flash attention cannot support the logit softcap, we will only update the quantized version in the future.
+
+Authors from Peking University: Bizhao Shi ([email protected]), Yuxin Yang ([email protected]), Ruiyang Ma ([email protected]), and Guojie Luo ([email protected]).
+
+Thanks Tuo Dai and Shanni Li from Huawei Technologies Co., Ltd.
+
+## TODO
+- Support more models and d