download-toolchains:
 * update download toolchains for uClibc-0.9.28, 0.9.29 and 0.9.33 based boxes
 * refs #1939
 * refs #706

Note: all users of these boxes should backup their .config, call "make distclean", restore their .config and build everything anew, i.e. no autoupdate or whatever...


git-svn-id: file:///var/svn/freetz/trunk@10947 149334a1-2f27-0410-a3b9-fc62619ac1e6