LF-4175-10: arm64: dts: imx8mm: 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/imx8mm-evk-rpmsg.dts

@@ -60,28 +60,20 @@
 		status = "disabled";
 	};
 
-	rpmsg_i2s: rpmsg-i2s {
-		compatible = "fsl,imx8mq-rpmsg-i2s";
-		/* the audio device index in m4 domain */
-		fsl,audioindex = <0> ;
-		fsl,dma-buffer-size = <0x6000000>;
+	rpmsg_audio: rpmsg_audio {
+		compatible = "fsl,imx8mm-rpmsg-audio";
+		model = "ak4497-audio";
 		fsl,enable-lpa;
+		fsl,rpmsg-out;
 		clocks = <&clk IMX8MM_CLK_SAI1_IPG>,
 			 <&clk IMX8MM_CLK_SAI1_ROOT>,
 			 <&clk IMX8MM_CLK_SDMA3_ROOT>,
 			 <&clk IMX8MM_AUDIO_PLL1_OUT>,
 			 <&clk IMX8MM_AUDIO_PLL2_OUT>;
-		clock-names = "bus", "mclk", "dma", "pll8k", "pll11k";
+		clock-names = "ipg", "mclk", "dma", "pll8k", "pll11k";
 		status = "okay";
 	};
 
-	sound-rpmsg {
-		compatible = "fsl,imx-audio-rpmsg";
-		model = "ak4497-audio";
-		cpu-dai = <&rpmsg_i2s>;
-		rpmsg-out;
-	};
-
 	imx8mm-cm4 {
 		compatible = "fsl,imx8mm-cm4";
 		rsc-da = <0xb8000000>;