arm64: dts: rockchip: Enable HDMI and GPU on quartz64-b

This enables the GPU and HDMI output (including HDMI audio) on
the PINE64 Quartz64 Model B single board computer.

Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Link: https://lore.kernel.org/r/20220920143446.633956-1-frattaroli.nicolas@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>