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

https://github.com/jarbowski/void-packages rtl8822bu-dkms
https://github.com/void-linux/void-packages/pull/12950

New package: rtl8822bu-dkms-20190427
Driver for very popular usb Wi-Fi dongle TP-Link Archer T4U v3 and others

A patch file from https://github.com/void-linux/void-packages/pull/12950.patch is attached