busybox:
 * rewrite r11444, the logic implemented [source:trunk/make/busybox/busybox.mk?rev=11364#L28 here] requires a separate "depends_on" for each option
 * refs #2299


git-svn-id: file:///var/svn/freetz/trunk@11448 149334a1-2f27-0410-a3b9-fc62619ac1e6