board: rockchip: add Pine64 QuartzPro64 RK3588 board

QuartzPro64 is a Rockchip RK3588 based SBC by Pine64.

UART and boot over SD/eMMC/RJ45 are tested to work.

Linux commits from next-20231013:
8152d3d070a9 ("arm64: dts: rockchip: Add QuartzPro64 SBC device tree")

Signed-off-by: Tom Fitzhenry <tom@tom-fitzhenry.me.uk>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Cc: Eugen Hristev <eugen.hristev@collabora.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Ondrej Jirman <megi@xff.cz>