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

https://github.com/Piraty/void-packages openssh-root-login
https://github.com/void-linux/void-packages/pull/17596

openssh: restore upstream's default for PermitRootLogin
restore upstream's default for PermitRootLogin, which currently is 'prohibt-password'.

Should be discussed in conjunction with https://github.com/void-linux/void-mklive/pull/100.

A patch file from https://github.com/void-linux/void-packages/pull/17596.patch is attached