dt-bindings: arm: rockchip: Add QNAP TS-433

This is a SOHO NAS with 4 hd bays and 4 GB of RAM.

Signed-off-by: Uwe Kleine-König <ukleinek@debian.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/a583992a896c80962b820803526eb593122c1692.1709034476.git.ukleinek@debian.org


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