[backfire] toolchain/binutils: remove obsolete 2.20 version git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@29316 3c298f89-4303-0410-b956-a3cf2f4a3e73
binutils: fix build errors in 2.20 (patch from #6094) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18307 3c298f89-4303-0410-b956-a3cf2f4a3e73
add binutils 2.20 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18263 3c298f89-4303-0410-b956-a3cf2f4a3e73