* bump firmware versions (stable ones) for 7270v2 & 7270v3 to 54/74.05.54 rev27373 ([http://www.avm.de/de/Sicherheit/hinweis.html security update])
 * disable support for labor firmwares for these boxes (they were by chance the latest boxes labors were supported for - so no labor firmware is supported at the moment)
 * by Xerolux
 * fixes #2353


git-svn-id: file:///var/svn/freetz/trunk@11653 149334a1-2f27-0410-a3b9-fc62619ac1e6