There is an updated pull request by CameronNemo against master on the void-packages repository

https://github.com/CameronNemo/void-packages pinebookpro-kernel
https://github.com/void-linux/void-packages/pull/25546

pinebookpro-kernel: update to 5.9.6
@jcgruenhage @Skirmisher

A patch file from https://github.com/void-linux/void-packages/pull/25546.patch is attached