toolchain:
 * preparation step for adding support for uClibc-0.9.33.x/gcc-4.7.x based boxes
 * refs #2103, refs #1939
 * menuconfig-tested only


git-svn-id: file:///var/svn/freetz/trunk@10508 149334a1-2f27-0410-a3b9-fc62619ac1e6