ASoC: dt-bindings: mchp,i2s-mcc: add 'sound-name-prefix' property

Add 'sound-name-prefix' property to differentiante between interfaces in
DPCM (ASRC) use-cases. Property is optional.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>

Author: Codrin Ciubotariu

Documentation/devicetree/bindings/sound/mchp,i2s-mcc.yaml

@@ -66,6 +66,15 @@ properties:
     enum: [0, 1, 2, 3]
     default: 0
 
+  sound-name-prefix:
+    pattern: "^I2SMCC[0-9]$"
+    $ref: /schemas/types.yaml#/definitions/string
+    description:
+      used as prefix for sink/source names of the component. Must be a
+      unique string among multiple instances of the same component.
+      The name can be "I2SMCC0" or "I2SMCC1" ... "I2SMCCx", where x depends
+      on the maximum available instances on a Microchip SoC.
+
 if:
   properties:
     compatible: