binutils/binutils: CT_BINUTILS_GOLD_THREADED should be CT_BINUTILS_GOLD_THREADS

Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>

 #!/bin/sh

 set -e

 printf "Running autoconf...\n"

 autoconf -Wall --force

 printf "Done. You may now run:\n    ./configure\n"