`udevadm info --run` no longer returns the correct run directory
so we hard code it as "/run/udev/"
X-Gentoo-Bug: 475276
X-Gentoo-Bug-URL: https://bugs.gentoo.org/475276
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
This restores the rule generator scripts for the persistent
network and optical device rule generator scripts that were
removed after udev-171, and re-introduces their installation
to the build system.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>