Rockchip specific extensions for RK3066 HDMI

configname: CONFIG_ROCKCHIP_RK3066_HDMI

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Rockchip specific extensions for RK3066 HDMI
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This selects support for Rockchip SoC specific extensions
for the RK3066 HDMI driver. If you want to enable
HDMI on RK3066 based SoC, you should select this option.