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

https://github.com/ashpooljh/void-packages xen-hypervisor-fix-install
https://github.com/void-linux/void-packages/pull/24139

xen-hypervisor: fix install into /boot/boot
fix #17612
`[ci skip]` due to [exceeding](https://travis-ci.org/github/ashpooljh/void-packages/jobs/716090891#L29182) the maximum log length allowed by Travis.

A patch file from https://github.com/void-linux/void-packages/pull/24139.patch is attached