LF-4175-7: arm64: dts: imx8ulp: update rpmsg audio nodes

Update rpmsg audio nodes to comply with upstreamed driver

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Peng Zhang <peng.zhang_8@nxp.com>

arch/arm64/boot/dts/freescale/imx8ulp-evk.dts

@@ -150,19 +150,18 @@
 		spdif-out;
 	};
 
-	sound-rpmsg {
-		compatible = "fsl,imx-audio-rpmsg";
+	rpmsg_audio: rpmsg-audio {
+		compatible = "fsl,imx8ulp-rpmsg-audio";
 		model = "wm8960-audio";
-		cpu-dai = <&rpmsg_i2s>;
+		fsl,rpmsg-out;
+		fsl,rpmsg-in;
 		audio-codec = <&wm8960>;
 		memory-region = <&audio_reserved>;
-		rpmsg-out;
-		rpmsg-in;
 		audio-routing =
 			"LINPUT1", "MICB",
 			"LINPUT3", "MICB";
+		status = "okay";
 	};
-
 };
 
 &dcnano {
@@ -590,10 +589,6 @@
 
 };
 
-&rpmsg_i2s {
-	status = "okay";
-};
-
 &sai5 {
 	#sound-dai-cells = <0>;
 	pinctrl-names = "default";

arch/arm64/boot/dts/freescale/imx8ulp-rpmsg.dtsi

@@ -49,11 +49,6 @@
 		status = "okay";
 	};
 
-	rpmsg_i2s: rpmsg-i2s {
-		compatible = "fsl,imx8ulp-rpmsg-i2s";
-		status = "disabled";
-	};
-
 	tpm_rpchip_0: pwm {
 		compatible = "fsl,pwm-rpchip";
 		#pwm-cells = <3>;