Yes, this is one thing I really hate on Suse.
It really got me crazy wondering why they took it off.

The conclusion I got is: Suse is X oriented, their users don't need command line, they don't want it.
That's why they created tools like Yast. Very simple things are solved running Yast, they are unable to open a simple file and edit it, check the forum.

The solution for your problem is very simple, do it yourself:
* create your own /etc/init.d/rc.local as root (you know how, right?)
* write whatever you need on it, but place a preamble at the very beginning:
#!/bin/sh
### BEGIN INIT INFO
# Provides: rc.local
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Description: whatever
### END INIT INFO

* then chmod 755 rc.local
* and finally chkconfig --add rc.local

That's it