dt-bindings: clock: qcom-rpmhcc: document the clock for sa8775p

Add a new compatible for SA8775P platforms.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230109174511.1740856-5-brgl@bgdev.pl

Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml

@@ -18,6 +18,7 @@ properties:
   compatible:
     enum:
       - qcom,qdu1000-rpmh-clk
+      - qcom,sa8775p-rpmh-clk
       - qcom,sc7180-rpmh-clk
       - qcom,sc7280-rpmh-clk
       - qcom,sc8180x-rpmh-clk