dt-bindings: Document Tegra264 HDA Support

For Tegra264 device there is one clock, two resets and no power-domain.
Add the Tegra264 compatible and necessary logic to the binding doc to
determine appropriate clocks, resets and power-domain properties based
on the compatible string.

Signed-off-by: Sheetal <[e-mail]>
Reviewed-by: Rob Herring (Arm) <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>
Link: https://patch.msgid.link/[e-mail]

Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml

···
           - nvidia,tegra30-hda
           - nvidia,tegra194-hda
           - nvidia,tegra234-hda
+          - nvidia,tegra264-hda
       - items:
           - enum:
               - nvidia,tegra186-hda
···
     maxItems: 1
 
   clocks:
-    minItems: 2
+    minItems: 1
     maxItems: 3
 
   clock-names:
-    minItems: 2
+    minItems: 1
     maxItems: 3
 
   resets:
···
           items:
             - const: hda
             - const: hda2codec_2x
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - nvidia,tegra264-hda
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-names:
+          items:
+            - const: hda
+        resets:
+          maxItems: 2
+        reset-names:
+          items:
+            - const: hda
+            - const: hda2codec_2x
+        power-domains: false
 
 examples:
   - |