* Add Rockpi 4C+
* add newer patches:
- apply patches from RadxaNaoki <noaki@radxa.com>
- ref 5652d6f9c2a4e2c50ac1040c0388859381b0616f: arm64: dts: rockchip: add gmac for ROCK 4C+ (#17)
- apply latest patches from Marcone <marco.nelissen@gmail.com>
- ref e39da181b099a86f5440ed1c08fc699d4a65aed7: arm64: dts: rockchip: Make Rock Pi 4C+ ethernet actually work
- ref 8c519612eeb852268371b3c596eec4622460e5bf: arm64: dts: rockchip: add Rock Pi 4C+ LEDs
- ref 726441afe687ea6059bac37f145ff204b75430f7: arm64: dts: rockchip: enable Rock Pi 4C+ wifi
- ref caad7bef3b5558e2598480c0a0089e2ac3cedcdd: arm64: dts: rockchip: enable Rock Pi 4C+ nvme
- ref 6cdc3215d1691bcd2a407a30e88efa0cec179eb2: arm64: dts: rockchip: enable Rock Pi 4C+ OTG
* default top USB3 port to host mode
* get 2nd HDMI port to work at least. :)
* revert OTG USB3.1 port back to otg mode
* [rockpi4c+] update board def. add usb host overlay.
* remove redundant HDMI clocks and voltages
* enable test builds for Rock PI 4 C+
* [rockpi4c+] add USB host overlay
Co-authored-by: Joe Khoobyar <fourheads@gmail.com>
