board: rockchip: Add Pine64 SOQuartz on Blade

The Pine64 SOQuartz Blade board is a carrier board for the SOQuartz
CM4-compatible compute module. It features PoE, an M.2 slot, an SD card
slot, HDMI, USB, serial and ethernet.

Features tested with a SOQuartz 4GB v1.1 2022-07-11:
- SD-card boot
- eMMC boot
- PCIe/NVMe
- USB host

Device tree is imported from linux v6.4.

Co-developed-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>