[U-Boot] [PATCH v2 6/7] rockchip: dts: rk3399: enable HDMI output in the DTS

[sjg at google.com]

This commit enables HDMI output in the DTS by adding the necessary
nodes to vopl/vopb and by adding the HDMI node.

Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
Reviewed-by: Simon Glass <sjg at chromium.org>

---

Changes in v2:
- cherry-picked the DTS change adding the hdmi node for the rk3399.dtsi
  from the RK3399 HDMI enabledment series (already applied there)

 arch/arm/dts/rk3399.dtsi | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

Applied to u-boot-rockchip, thanks!