ASoC: dt-bindings: qcom,q6adm: Split to separate schema

The APR/GPR bindings with services got complicated so move out the Q6ADM
service to its own binding. Previously the compatible was documented in
qcom,apr.yaml. Move most of the examples from its children to this new
file.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

Documentation/devicetree/bindings/sound/qcom,q6adm-routing.yaml

···
 
 examples:
   - |
-    #include <dt-bindings/soc/qcom,apr.h>
-    #include <dt-bindings/sound/qcom,q6asm.h>
-
-    apr {
-        compatible = "qcom,apr-v2";
-        qcom,domain = <APR_DOMAIN_ADSP>;
-        #address-cells = <1>;
-        #size-cells = <0>;
-
-        service@8 {
-            compatible = "qcom,q6adm";
-            reg = <APR_SVC_ADM>;
-            qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
-
-            routing {
-                compatible = "qcom,q6adm-routing";
-                #sound-dai-cells = <0>;
-            };
-        };
+    routing {
+        compatible = "qcom,q6adm-routing";
+        #sound-dai-cells = <0>;
     };

Documentation/devicetree/bindings/sound/qcom,q6adm.yaml

···
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,q6adm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Audio Device Manager (Q6ADM)
+
+maintainers:
+  - Krzysztof Kozlowski <[e-mail]>
+  - Srinivas Kandagatla <[e-mail]>
+
+allOf:
+  - $ref: /schemas/soc/qcom/qcom,apr-services.yaml#
+
+properties:
+  compatible:
+    enum:
+      - qcom,q6adm
+
+  routing:
+    type: object
+    $ref: /schemas/sound/qcom,q6adm-routing.yaml#
+    unevaluatedProperties: false
+    description: Qualcomm DSP LPASS audio routing
+
+required:
+  - compatible
+  - routing
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/soc/qcom,apr.h>
+
+    apr {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        service@8 {
+            compatible = "qcom,q6adm";
+            reg = <APR_SVC_ADM>;
+            qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+
+            routing {
+                compatible = "qcom,q6adm-routing";
+                #sound-dai-cells = <0>;
+            };
+        };
+    };