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

https://github.com/foxlet/void-packages qemu
https://github.com/void-linux/void-packages/pull/21508

qemu: update to 5.0.0
Tested on x86_64. 

texinfo docs were dropped in favor of Sphinx, qemu-doc no longer ships in that format.

A patch file from https://github.com/void-linux/void-packages/pull/21508.patch is attached