ASoC: dt-bindings: rockchip: Document reset property for i2s

This patch documents reset property for i2s.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1629950562-14281-2-git-send-email-sugar.zhang@rock-chips.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/rockchip-i2s.yaml

@@ -61,6 +61,14 @@ properties:
   power-domains:
     maxItems: 1
 
+  reset-names:
+    items:
+      - const: reset-m
+      - const: reset-h
+
+  resets:
+    maxItems: 2
+
   rockchip,capture-channels:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 2