7490:
 * update kernel .config
 * .config created by applying differences between freetz and AVM .config for 7360 to AVM's config for 7490
 * compile-tested only
 * refs #2180


git-svn-id: file:///var/svn/freetz/trunk@11181 149334a1-2f27-0410-a3b9-fc62619ac1e6