dt-bindings: mfd: rk806: Allow system-power-controller property

Declare support for this property.

Signed-off-by: Ondrej Jirman <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: Ondrej Jirman

Documentation/devicetree/bindings/mfd/rockchip,rk806.yaml

@@ -29,6 +29,8 @@ properties:
   '#gpio-cells':
     const: 2
 
+  system-power-controller: true
+
   vcc1-supply:
     description:
       The input supply for dcdc-reg1.