dt-bindings: i2c: qcom,i2c-cci: Document clocks for MSM8974

Uses same clocks as MSM8226.
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml

@@ -91,6 +91,7 @@ allOf:
           contains:
             enum:
               - qcom,msm8226-cci
+              - qcom,msm8974-cci
     then:
       properties:
         clocks: