Only list wanted empty files in debian/*.dirs
lintian complains:
I: dracut-live: package-contains-empty-directory [usr/lib/dracut/modules.d/90overlayfs/]
I: dracut-network: package-contains-empty-directory [usr/lib/dracut/modules.d/90overlay-root/]
lintian complains:
I: dracut-live: package-contains-empty-directory [usr/lib/dracut/modules.d/90overlayfs/]
I: dracut-network: package-contains-empty-directory [usr/lib/dracut/modules.d/90overlay-root/]