update the first version of Helixfold cpu onto helixfold_cpu branch

[intelyoungway]

No description provided.

[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.
0 out of 4 committers have signed the CLA.

❌ hedonglong
❌ intelyoungway
❌ Noisyntrain
❌ SuperXiang

---

hedonglong seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}