7490/kernel .config:
 * enable CONFIG_SLOW_WORK - gets automatically activated because of CONFIG_CIFS enabled in freetz kernel .config (disabled in AVM's kernel .config)
 * refs #2180


git-svn-id: file:///var/svn/freetz/trunk@11182 149334a1-2f27-0410-a3b9-fc62619ac1e6