replace-kernel:
 * enable it for all 7360-boxes and all firmware versions except for 7360 Beta (it has been [http://www.ip-phone-forum.de/showthread.php?t=268038&page=2&p=1995065&viewfull=1#post1995065 reportedi] to work), refs #2414
 * enable it for 6840 (except for 05.2X firmware), the sources published by AVM are identical to those of other VR9-boxes
 * reorder symbols according to the kernel layout
 * refs #2418


git-svn-id: http://svn.freetz.org/trunk@11981 149334a1-2f27-0410-a3b9-fc62619ac1e6