This removes unnecessary duplication and simplifies led setup for new
boards. It would be a one line change most likely.
Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28569 3c298f89-4303-0410-b956-a3cf2f4a3e73
