There is a new pull request by ahesford against master on the void-packages repository

https://github.com/ahesford/void-packages rpi-kernel
https://github.com/void-linux/void-packages/pull/39912

rpi-kernel: update to 5.15.72.
Still needs testing.

A patch file from https://github.com/void-linux/void-packages/pull/39912.patch is attached