ASoC: dt-bindings: q6dsp: add q6apm-lpass-dai compatible

on AudioReach audio Framework access to LPASS ports is via
Q6APM(Audio Process Manager) service, so add a dedicated 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/20211026111655.1702-7-srinivas.kandagatla@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

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

@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - qcom,q6afe-dais
+      - qcom,q6apm-lpass-dais
 
   reg:
     maxItems: 1
@@ -169,6 +170,32 @@ examples:
               #size-cells = <0>;
               #sound-dai-cells = <1>;
 
+              dai@22 {
+                reg = <QUATERNARY_MI2S_RX>;
+                qcom,sd-lines = <0 1 2 3>;
+              };
+            };
+        };
+      };
+  - |
+    #include <dt-bindings/soc/qcom,gpr.h>
+    gpr {
+        compatible = "qcom,gpr";
+        #address-cells = <1>;
+        #size-cells = <0>;
+        qcom,domain = <GPR_DOMAIN_ID_ADSP>;
+        service@1 {
+            compatible = "qcom,q6apm";
+            reg = <GPR_APM_MODULE_IID>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+            q6apmdai@1 {
+              compatible = "qcom,q6apm-lpass-dais";
+              reg = <1>;
+              #address-cells = <1>;
+              #size-cells = <0>;
+              #sound-dai-cells = <1>;
+
               dai@22 {
                 reg = <QUATERNARY_MI2S_RX>;
                 qcom,sd-lines = <0 1 2 3>;