arm64: dts: rockchip: enable display subsystem on rk3399-firefly

Enable the graphics-related nodes on the rk3399-firefly which makes
it possible to see output on the on-board hdmi output.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Heiko Stuebner 2017-05-31 11:59:56 +02:00
commit 48f192cf84