arm64: dts: renesas: r8a779g0: Tidy up sound DT settings

R-Car V4H (R8A779G0) supports only 1 AUDIO_CLKOUT and 1 SSI,
thus, #clock-cells / #sound-dai-cells are both fixed to zero.
(#sound-dai-cells is needed for Simple-Audio-Card, but not needed for
Audio-Graph-Card).  Fix this up.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/87frt3kxew.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-ard-audio-da7212.dtso

@@ -155,11 +155,7 @@ &rcar_sound {
 	pinctrl-0 = <&sound_clk_pins>, <&sound_pins>;
 	pinctrl-names = "default";
 
-	/* Single DAI */
-	#sound-dai-cells = <0>;
-
 	/* audio_clkout */
-	#clock-cells = <0>;
 	clock-frequency = <5644800>; /* 44.1kHz groups [(C) clock] */
 //	clock-frequency = <6144000>; /* 48  kHz groups [(C) clock] */
 

arch/arm64/boot/dts/renesas/r8a779g0.dtsi

@@ -1718,18 +1718,6 @@ dmac1: dma-controller@e7351000 {
 		};
 
 		rcar_sound: sound@ec5a0000 {
-			/*
-			 * #sound-dai-cells is required
-			 *
-			 * Single DAI : #sound-dai-cells = <0>;	<&rcar_sound>;
-			 * Multi  DAI : #sound-dai-cells = <1>;	<&rcar_sound N>;
-			 */
-			/*
-			 * #clock-cells is required
-			 *
-			 * clkout		: #clock-cells = <0>;	<&rcar_sound>;
-			 * audio_clkout0/1/2/3	: #clock-cells = <1>;	<&rcar_sound N>;
-			 */
 			compatible = "renesas,rcar_sound-r8a779g0", "renesas,rcar_sound-gen4";
 			reg = <0 0xec5a0000 0 0x020>,
 			      <0 0xec540000 0 0x1000>,
@@ -1739,6 +1727,11 @@ rcar_sound: sound@ec5a0000 {
 
 			clocks = <&cpg CPG_MOD 2926>, <&cpg CPG_MOD 2927>, <&audio_clkin>;
 			clock-names = "ssiu.0", "ssi.0", "clkin";
+			/* #clock-cells is fixed */
+			#clock-cells = <0>;
+			/* #sound-dai-cells is fixed */
+			#sound-dai-cells = <0>;
+
 			power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
 			resets = <&cpg 2926>, <&cpg 2927>;
 			reset-names = "ssiu.0", "ssi.0";