https://git.archlinux.org/svntogit/packages.git/commit/trunk/PKGBUILD?h=packages/libdrm&id=d490fde508be38c2758588bb3b42b29101edcd78
enabled udev support in libdrm, however the dependency array was not
updated to reflect that, resulting in missing package in our docker
container.

This explicitly adds systemd to installed packages.

Upstream bug at https://bugs.archlinux.org/task/57851