dt-bindings: rockchip-thermal: Support the RK3588 SoC compatible

Add a new compatible for the thermal sensor device on RK3588 SoCs.

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230308112253.15659-8-sebastian.reichel@collabora.com