ARM: dts: at91: Remove leading 0x and 0s from bindings notation

Improve the DTS files by removing all the leading "0x" and zeros to fix the
following dtc warnings:

Warning (unit_address_format): Node /XXX unit name should not have leading "0x"

and

Warning (unit_address_format): Node /XXX unit name should not have leading 0s

Converted using the following command:

find . -type f \( -iname *.dts -o -iname *.dtsi \) -exec sed -i -e "s/@\([0-9a-fA-FxX\.;:#]+\)\s*{/@\L\1 {/g" -e "s/@0x\(.*\) {/@\1 {/g" -e "s/@0+\(.*\) {/@\1 {/g" {} +^C

For simplicity, two sed expressions were used to solve each warnings separately.

To make the regex expression more robust a few other issues were resolved,
namely setting unit-address to lower case, and adding a whitespace before the
the opening curly brace:

https://elinux.org/Device_Tree_Linux#Linux_conventions

This will solve as a side effect warning:

Warning (simple_bus_reg): Node /XXX@<UPPER> simple-bus unit address format error, expected "<lower>"

This is a follow up to commit 4c9847b7375a ("dt-bindings: Remove leading 0x from bindings notation")

Reported-by: David Daney <[e-mail]>
Suggested-by: Rob Herring <[e-mail]>
Signed-off-by: Mathieu Malaterre <[e-mail]>
Signed-off-by: Alexandre Belloni <[e-mail]>

arch/arm/boot/dts/at91sam9261.dtsi

···
 			status = "disabled";
 		};
 
-		fb0: fb@0x00600000 {
+		fb0: fb@600000 {
 			compatible = "atmel,at91sam9261-lcdc";
 			reg = <0x00600000 0x1000>;
 			interrupts = <21 IRQ_TYPE_LEVEL_HIGH 3>;

arch/arm/boot/dts/at91sam9261ek.dts

···
 			status = "okay";
 		};
 
-		fb0: fb@0x00600000 {
+		fb0: fb@600000 {
 			display = <&display0>;
 			atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
 			status = "okay";

arch/arm/boot/dts/at91sam9263.dtsi

···
 			};
 		};
 
-		fb0: fb@0x00700000 {
+		fb0: fb@700000 {
 			compatible = "atmel,at91sam9263-lcdc";
 			reg = <0x00700000 0x1000>;
 			interrupts = <26 IRQ_TYPE_LEVEL_HIGH 3>;

arch/arm/boot/dts/at91sam9263ek.dts

···
 			};
 		};
 
-		fb0: fb@0x00700000 {
+		fb0: fb@700000 {
 			display = <&display0>;
 			status = "okay";
 

arch/arm/boot/dts/at91sam9g25ek.dts

···
 			};
 
 			i2c0: i2c@f8010000 {
-				ov2640: camera@0x30 {
+				ov2640: camera@30 {
 					compatible = "ovti,ov2640";
 					reg = <0x30>;
 					pinctrl-names = "default";

arch/arm/boot/dts/at91sam9g45.dtsi

···
 			};
 		};
 
-		fb0: fb@0x00500000 {
+		fb0: fb@500000 {
 			compatible = "atmel,at91sam9g45-lcdc";
 			reg = <0x00500000 0x1000>;
 			interrupts = <23 IRQ_TYPE_LEVEL_HIGH 3>;

arch/arm/boot/dts/at91sam9m10g45ek.dts

···
 			};
 		};
 
-		fb0: fb@0x00500000 {
+		fb0: fb@500000 {
 			display = <&display0>;
 			status = "okay";
 

arch/arm/boot/dts/sama5d3xmb.dtsi

···
 			};
 
 			i2c1: i2c@f0018000 {
-				ov2640: camera@0x30 {
+				ov2640: camera@30 {
 					compatible = "ovti,ov2640";
 					reg = <0x30>;
 					pinctrl-names = "default";

arch/arm/boot/dts/sama5d3xmb_cmp.dtsi

···
 			};
 
 			i2c1: i2c@f0018000 {
-				ov2640: camera@0x30 {
+				ov2640: camera@30 {
 					compatible = "ovti,ov2640";
 					reg = <0x30>;
 					pinctrl-names = "default";