UPSTREAM: ARM: dts: rockchip: add the leds control for rk3036-kylin board

UPSTREAM: ARM: dts: rockchip: add the leds control for rk3036-kylin board

As the kylin schematic drawing, add the needed work led for
kylin board.

Run:
echo 0 > /sys/class/leds/kylin:red:led/brightness
echo 1 > /sys/class/leds/kylin:red:led/brightness

The led can normal on/off on kylin board.

Change-Id: I409d2d0f9561396138e5fc8249f9570249f29784
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
(cherry picked from git.kernel.org next/linux-next.git master
 commit fe253133728cce8793c4390c943b5b46d073d5e4)