Attach patch unsets LPATH flag (found configured in some custom host
distributions) to make OpenWRT compile its toolchain without any issues.
LPATH is used on some distros to define the linkers search path.

Signed-off-by: Tathagata Das <tathagata@alumnux.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31203 3c298f89-4303-0410-b956-a3cf2f4a3e73