OpenWRT on Xen patched, up and running

Thanx to jow and thomas h., we have now working support for Xen in OpenWRT!
see the following changesets for what is done:

• Changeset 19608 - [package] base-files: add /dev/hvcX to hotplug common rules
• Changeset 19610 - [x86] add Xen DomU subtarget
• Changeset 19611 - [package] kernel: add xen kmods
• Changeset 19612 - [x86] make console port editable through menuconfig, gzip ext2 images, add suitable defaults for Xen

So you now can choose x86 as target with Xen as subtarget.
nice. we give back to the connected funk-haeusers!