ndas:
 * use (a more recent) open-source driver for all boxes & kernel-versions
 * all kernel-versions have been compile-tested, versions 2.6.28 & 2.6.32 have also been tested at run-time (thanks to [http://www.ip-phone-forum.de/showthread.php?t=265339 RomMon] for that)
 * refs #465


git-svn-id: file:///var/svn/freetz/trunk@11464 149334a1-2f27-0410-a3b9-fc62619ac1e6