ARM: dts: stm32: fix dsi warnings on stm32mp15 boards

Fixes DSI related warnings:

 * "#size-cells" and "#address-cells" wrongly used
 * Changed 'panel-dsi@0' to 'panel@0' according to dsi-controller.yaml
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

arch/arm/boot/dts/stm32mp157.dtsi

@@ -24,14 +24,7 @@ dsi: dsi@5a000000 {
 			clock-names = "pclk", "ref", "px_clk";
 			resets = <&rcc DSI_R>;
 			reset-names = "apb";
-			#address-cells = <1>;
-			#size-cells = <0>;
 			status = "disabled";
-
-			ports {
-				#address-cells = <1>;
-				#size-cells = <0>;
-			};
 		};
 	};
 };

arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-ctouch2-of10.dts

@@ -49,6 +49,9 @@ &dsi {
 	phy-dsi-supply = <&reg18>;
 
 	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		port@0 {
 			reg = <0>;
 			dsi_in: endpoint {

arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts

@@ -49,6 +49,9 @@ &dsi {
 	phy-dsi-supply = <&reg18>;
 
 	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		port@0 {
 			reg = <0>;
 			dsi_in_ltdc: endpoint {

arch/arm/boot/dts/stm32mp157c-dk2.dts

@@ -31,10 +31,15 @@ &cryp1 {
 };
 
 &dsi {
+	#address-cells = <1>;
+	#size-cells = <0>;
 	status = "okay";
 	phy-dsi-supply = <&reg18>;
 
 	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		port@0 {
 			reg = <0>;
 			dsi_in: endpoint {

arch/arm/boot/dts/stm32mp157c-ev1.dts

@@ -101,9 +101,14 @@ dcmi_0: endpoint {
 
 &dsi {
 	phy-dsi-supply = <&reg18>;
+	#address-cells = <1>;
+	#size-cells = <0>;
 	status = "okay";
 
 	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		port@0 {
 			reg = <0>;
 			dsi_in: endpoint {
@@ -119,7 +124,7 @@ dsi_out: endpoint {
 		};
 	};
 
-	panel-dsi@0 {
+	panel@0 {
 		compatible = "raydium,rm68200";
 		reg = <0>;
 		reset-gpios = <&gpiof 15 GPIO_ACTIVE_LOW>;