add AutoYaST LVM layout

This layout creates the following:
```
susetest:~ # df -h
Filesystem             Size  Used Avail Use% Mounted on
/dev/mapper/vg00-root  4.0G  334M  3.5G   9% /
/dev/sda1             1011M   63M  897M   7% /boot
/dev/mapper/vg00-tmp   4.0G  137M  3.7G   4% /tmp
/dev/mapper/vg00-usr   7.9G  915M  6.6G  12% /usr
/dev/mapper/vg00-var   4.0G  186M  3.6G   5% /var
+ 8GB swap on /dev/mapper/vg00-swap
```