disable replace kernel for 7390*int* 5.51 (refs #2034, http://www.ip-phone-forum.de/showthread.php?t=259266)
 * for missing sources write to {{{fritzbox_info at avm.de}}}

git-svn-id: file:///var/svn/freetz/trunk@10471 149334a1-2f27-0410-a3b9-fc62619ac1e6