New review comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/25753#discussion_r508620174

Comment:
This `chroot-cmake` is very basic `cmake`, it lacks a lot of `cmake` functionality (but enough to build `ccache` and real `cmake`).
I think we should treat it the same with `pkgconf` and `pkg-config`. IOW, don't add it into `base-chroot` but let's package add it into `hostmakedepends`.