toolchain:
 * yet another try to provide (working) download-toolchain for uClibc-0.9.33/gcc-4.7 based firmwares (e.g. 7390/Labor)
 * refs #1939, refs #2103


git-svn-id: file:///var/svn/freetz/trunk@10545 149334a1-2f27-0410-a3b9-fc62619ac1e6