ASoC: dt-bindings: qcom,q6dsp-lpass-clocks: cleanup example

Cleanup the example DTS by adding APR and service compatibles, adding
typical properties, using proper device node names for services and
fixing indentation to 4-spaces.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220910091428.50418-14-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/qcom,q6dsp-lpass-clocks.yaml

@@ -38,17 +38,22 @@ examples:
     #include <dt-bindings/soc/qcom,apr.h>
     #include <dt-bindings/sound/qcom,q6afe.h>
     apr {
+        compatible = "qcom,apr-v2";
+        qcom,domain = <APR_DOMAIN_ADSP>;
         #address-cells = <1>;
         #size-cells = <0>;
-        apr-service@4 {
+
+        service@4 {
+            compatible = "qcom,q6afe";
             reg = <APR_SVC_AFE>;
+            qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
 
             clock-controller {
-              compatible = "qcom,q6afe-clocks";
-              #clock-cells = <2>;
+                compatible = "qcom,q6afe-clocks";
+                #clock-cells = <2>;
             };
         };
-      };
+    };
 
   - |
     #include <dt-bindings/soc/qcom,gpr.h>
@@ -57,13 +62,14 @@ examples:
         qcom,domain = <GPR_DOMAIN_ID_ADSP>;
         #address-cells = <1>;
         #size-cells = <0>;
+
         service@2 {
             reg = <GPR_PRM_MODULE_IID>;
             compatible = "qcom,q6prm";
 
             clock-controller {
-              compatible = "qcom,q6prm-lpass-clocks";
-              #clock-cells = <2>;
+                compatible = "qcom,q6prm-lpass-clocks";
+                #clock-cells = <2>;
             };
         };
-      };
+    };