riscv: dts: starfive: visionfive 2: update sound and codec dt node name

Use "audio-codec" as the codec dt node name, and "sound" as the simple
audio card dt name.
Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi

@@ -41,12 +41,12 @@ gpio-restart {
 		priority = <224>;
 	};
 
-	pwmdac_codec: pwmdac-codec {
+	pwmdac_codec: audio-codec {
 		compatible = "linux,spdif-dit";
 		#sound-dai-cells = <0>;
 	};
 
-	sound-pwmdac {
+	sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "StarFive-PWMDAC-Sound-Card";
 		#address-cells = <1>;