dt-bindings: clock: rockchip,rk3588-cru: drop unneeded assigned-clocks

assigned-clocks property is redundant, because core dtschema allows them
if clocks are provided.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240818173014.122073-4-krzysztof.kozlowski@linaro.org


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