New review comment by dv-ar on void-packages repository

https://github.com/void-linux/void-packages/pull/43548#discussion_r1173996601

Comment:
How do i set the variable, I've tried setting the following options in the template without success.
```
make_build_args="PREFIX=/usr PREFIX_ETC=/"
make_install_args="PREFIX=/usr PREFIX_ETC=/"
make_check_args="PREFIX=/usr PREFIX_ETC=/"
```