iputils: update to 20221126

This release removed: ninfod, rarpd, rdisc.
Remove also related, not yet upstreamed patch.

License-Update: ninfod, rarpd, rdisc and switch to SPDX identifier.

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>