ARM: dts: stm32: remove now redundant STM32MP15x video cell sizes

With the cell sizes specified in the SoC DTSIs in a previous commit,
individual boards no longer need to specify them, thus drop them.

No functional change.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

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

@@ -27,15 +27,10 @@ chosen {
 };
 
 &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 {
@@ -83,9 +78,6 @@ &ltdc {
 	status = "okay";
 
 	port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		ltdc_ep1_out: endpoint@1 {
 			reg = <1>;
 			remote-endpoint = <&dsi_in>;

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

@@ -98,15 +98,10 @@ dcmi_0: endpoint {
 };
 
 &dsi {
-	#address-cells = <1>;
-	#size-cells = <0>;
 	phy-dsi-supply = <&reg18>;
 	status = "okay";
 
 	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		port@0 {
 			reg = <0>;
 			dsi_in: endpoint {
@@ -240,9 +235,6 @@ &ltdc {
 	status = "okay";
 
 	port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		ltdc_ep0_out: endpoint@0 {
 			reg = <0>;
 			remote-endpoint = <&dsi_in>;

arch/arm/boot/dts/stm32mp15xx-dkx.dtsi

@@ -394,9 +394,6 @@ &ltdc {
 	status = "okay";
 
 	port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		ltdc_ep0_out: endpoint@0 {
 			reg = <0>;
 			remote-endpoint = <&sii9022_in>;