Update packages to use /run and compat symlinks inside of it.

/run is now used explicitly by udev>=167 so I followed the lead and
updated XBPS core packages to use it by default.

srcpkgs/udev/files/udev.initramfs-bottom

@@ -17,8 +17,11 @@ case "$1" in
 esac
 
 
-# Stop udevd, we'll miss a few events while we run init, but we catch up
+# Kill the udev daemon.
 pkill udevd
 
+# Clean up udev state stuff.
+udevadm info --cleanup-db
+
 # Move /dev to the real filesystem
 mount -n -o move /dev ${rootmnt}/dev