dt-bindings: arm: rockchip: Add Geniatech XPI-3128

Add Geniatech XPI-3128, a RK3128 based single board computer.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231119130351.112261-4-knaerzche@gmail.com


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