Fixed toolchain-utils.sh (gcc libs weren't being copied before).
Fixed toolchain-utils.sh (gcc libs weren't being copied before).

BUG=none
TEST=cros_gcc_config i686-pc-linux-gnu-4.6.0 multiple times

Change-Id: Iacd85e35cf7cfbc1411bef6ce29dff262a0931df
Reviewed-on: http://gerrit.chromium.org/gerrit/6664
Tested-by: asharif <0bffdc695497b480334d6a40467f7e340b20eba1@chromium.org>
Reviewed-by: Raymes Khoury <348ad72dc039a127ca70ef38e5de4eebe052b884@chromium.org>

mgireesh05/dev-util,mgireesh05/dev-util,mgireesh05/dev-util,coreos/dev-util,marineam/coreos-dev-util,coreos/dev-util,marineam/coreos-dev-util,coreos/dev-util