New review comment by paper42 on void-packages repository

https://github.com/void-linux/void-packages/pull/35447#discussion_r800234530

Comment:
```suggestion
homepage="https://goodies.xfce.org/projects/panel-plugins/xfce4-cpufreq-plugin"
changelog="https://gitlab.xfce.org/panel-plugins/xfce4-cpufreq-plugin/-/raw/master/NEWS"
distfiles="https://archive.xfce.org/src/panel-plugins/${pkgname}/${version%.*}/${pkgname}-${version}.tar.bz2"
```