dt-bindings: soc: imx: fsl,imx-anatop: add binding

Add missing binding for i.MX anatop syscon.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Link: https://lore.kernel.org/r/20240226212740.2019837-4-sre@kernel.org


Signed-off-by: Rob Herring <robh@kernel.org>