ASoC: dt-bindings: lpass-clocks: add q6prm clocks compatible

On AudioReach audio Framework access to LPASS ports is via Q6PRM
(Proxy Resource Manager) service, so add a dedicated lpass-clock compatible
string for this.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-8-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

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

@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - qcom,q6afe-clocks
+      - qcom,q6prm-lpass-clocks
 
   reg:
     maxItems: 1
@@ -54,3 +55,23 @@ examples:
             };
         };
       };
+
+  - |
+    #include <dt-bindings/soc/qcom,gpr.h>
+    gpr {
+        compatible = "qcom,gpr";
+        qcom,domain = <GPR_DOMAIN_ID_ADSP>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        service@2 {
+            reg = <GPR_PRM_MODULE_IID>;
+            compatible = "qcom,q6prm";
+            #address-cells = <1>;
+            #size-cells = <0>;
+            clock-controller@2 {
+              compatible = "qcom,q6prm-lpass-clocks";
+              reg = <2>;
+              #clock-cells = <2>;
+            };
+        };
+      };