New review comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/38414#discussion_r939676206

Comment:

```sh
hostmakedepends="python3-setuptools python3-cffi python3-wheel $(vopt_if xcb python3-xcffib)"
build_options="xcb"
case "$XBPS_MACHINE" in
x86_64*|i686|ppc64le*|ppc64)
    build_options_default="xcb"
esac
```