This was done in a similar way to this commit, when the change was made from Debian packaging to GitHub's mirror:
https://git.yoctoproject.org/p
If I only change the SRC_URI, then it won't find the original 79b9071f2be20a24c7be031655a5638f6032f29f revision.
1003914e200fd622a27237abca155ce6bf2e6030 is the commit hash of the 6.4 release tag: