dt-bindings: clocks: qcom,gcc-ipq8074: support power domains

GCC inside of IPQ8074 also provides power management via built-in GDSCs.
In order to do so, '#power-domain-cells' must be set to 1.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220515210048.483898-7-robimarko@gmail.com

Documentation/devicetree/bindings/clock/qcom,gcc-ipq8074.yaml

@@ -24,6 +24,9 @@ properties:
   '#clock-cells':
     const: 1
 
+  '#power-domain-cells':
+    const: 1
+
   '#reset-cells':
     const: 1
 
@@ -38,6 +41,7 @@ required:
   - compatible
   - reg
   - '#clock-cells'
+  - '#power-domain-cells'
   - '#reset-cells'
 
 additionalProperties: false
@@ -48,6 +52,7 @@ examples:
       compatible = "qcom,gcc-ipq8074";
       reg = <0x01800000 0x80000>;
       #clock-cells = <1>;
+      #power-domain-cells = <1>;
       #reset-cells = <1>;
     };
 ...