ARM: dts: exynos: adjust node names to DT spec in Exynos4210 boards

The Devicetree specification expects device node names to have a generic
name, representing the class of a device. Also the convention for node
names is to use hyphens, not underscores.

No functional changes.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/arm/boot/dts/exynos4210-i9100.dts

···
 	pinctrl-0 = <&i2c3_bus>;
 	pinctrl-names = "default";
 
-	mxt224-touchscreen@4a {
+	touchscreen@4a {
 		compatible = "atmel,maxtouch";
 		reg = <0x4a>;
 
···
 	pinctrl-0 = <&i2c5_bus>;
 	pinctrl-names = "default";
 
-	max8997_pmic@66 {
+	pmic@66 {
 		compatible = "maxim,max8997-pmic";
 		reg = <0x66>;
 
···
 	pinctrl-0 = <&i2c7_bus>;
 	pinctrl-names = "default";
 
-	ak8975@c {
+	magnetometer@c {
 		compatible = "asahi-kasei,ak8975";
 		reg = <0x0c>;
 

arch/arm/boot/dts/exynos4210-origen.dts

···
 		enable-active-high;
 	};
 
-	gpio_keys {
+	gpio-keys {
 		compatible = "gpio-keys";
 
 		up {
···
 	pinctrl-0 = <&i2c0_bus>;
 	pinctrl-names = "default";
 
-	max8997_pmic@66 {
+	pmic@66 {
 		compatible = "maxim,max8997-pmic";
 		reg = <0x66>;
 		interrupt-parent = <&gpx0>;

arch/arm/boot/dts/exynos4210-smdkv310.dts

···
 	pinctrl-0 = <&keypad_rows &keypad_cols>;
 	status = "okay";
 
-	key_1 {
+	key-1 {
 		keypad,row = <0>;
 		keypad,column = <3>;
 		linux,code = <2>;
 	};
 
-	key_2 {
+	key-2 {
 		keypad,row = <0>;
 		keypad,column = <4>;
 		linux,code = <3>;
 	};
 
-	key_3 {
+	key-3 {
 		keypad,row = <0>;
 		keypad,column = <5>;
 		linux,code = <4>;
 	};
 
-	key_4 {
+	key-4 {
 		keypad,row = <0>;
 		keypad,column = <6>;
 		linux,code = <5>;
 	};
 
-	key_5 {
+	key-5 {
 		keypad,row = <0>;
 		keypad,column = <7>;
 		linux,code = <6>;
 	};
 
-	key_a {
+	key-a {
 		keypad,row = <1>;
 		keypad,column = <3>;
 		linux,code = <30>;
 	};
 
-	key_b {
+	key-b {
 		keypad,row = <1>;
 		keypad,column = <4>;
 		linux,code = <48>;
 	};
 
-	key_c {
+	key-c {
 		keypad,row = <1>;
 		keypad,column = <5>;
 		linux,code = <46>;
 	};
 
-	key_d {
+	key-d {
 		keypad,row = <1>;
 		keypad,column = <6>;
 		linux,code = <32>;
 	};
 
-	key_e {
+	key-e {
 		keypad,row = <1>;
 		keypad,column = <7>;
 		linux,code = <18>;
···
 	cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>;
 	status = "okay";
 
-	w25x80@0 {
+	flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "w25x80";

arch/arm/boot/dts/exynos4210-trats.dts

···
 	pinctrl-names = "default";
 	status = "okay";
 
-	mms114-touchscreen@48 {
+	touchscreen@48 {
 		compatible = "melfas,mms114";
 		reg = <0x48>;
 		interrupt-parent = <&gpx0>;
···
 	pinctrl-names = "default";
 	status = "okay";
 
-	max8997_pmic@66 {
+	pmic@66 {
 		compatible = "maxim,max8997-pmic";
 
 		reg = <0x66>;