Add triton to paddlemix

[zhoutianzi666]

No description provided.

[paddle-bot]

Thanks for your contribution!

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
4 out of 5 committers have signed the CLA.

✅ westfish
✅ jerrywgz
✅ LokeZhou
✅ zhoutianzi666
❌ CrazyBoyM
_{You have signed the CLA already but the status is still pending? Let us recheck it.}