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

https://github.com/xtraeme/void-packages mtd-utils-2.1.0
https://github.com/void-linux/void-packages/pull/12137

mtd-utils: update to 2.1.0.
Signed-off-by: Juan RP <xtraeme@gmail.com>

A patch file from https://github.com/void-linux/void-packages/pull/12137.patch is attached