dt-bindings: arm: rockchip: Add GameForce Chi

The GameForce Chi is a handheld gaming device from GameForce powered
by the Rockchip RK3326 SoC.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240325134959.11807-5-macroalpha82@gmail.com


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