7270v2/7270v3:
 * bump 05.2x firmware to 54/74.05.23 rev27582 (Beta)
 * compilte-tested only
 * refs #2355


git-svn-id: file:///var/svn/freetz/trunk@11817 149334a1-2f27-0410-a3b9-fc62619ac1e6