dt-bindings: arm: rockchip: Add Cool Pi CM5

Add Cool Pi CM5, a board powered by RK3588

CM5 EVB works with a mother board connect with
CM5

Signed-off-by: Andy Yan <andyshrk@163.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231212124340.1897502-1-andyshrk@163.com


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