MIPS: dts: align gpio-key node names with dtschema

The node names should be generic and DT schema expects certain pattern
(e.g. with key/button/switch).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/boot/dts/ingenic/ci20.dts

@@ -31,7 +31,7 @@ memory {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		sw1 {
+		switch {
 			label = "ci20:sw1";
 			linux,code = <KEY_F13>;
 			gpios = <&gpd 17 GPIO_ACTIVE_HIGH>;

arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts

@@ -26,7 +26,7 @@ gpio-keys {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinmux_gpio_gpio>;	/* GPIO11 */
 
-		user_btn1 {
+		button {
 			label = "USER_BTN1";
 			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 			linux,code =<KEY_PROG1> ;

arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts

@@ -29,7 +29,7 @@ i2c@900 {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		reset {
+		key-reset {
 			label = "reset";
 			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
 			linux,code = <KEY_RESTART>;

arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts

@@ -29,7 +29,7 @@ i2c@900 {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		reset {
+		key-reset {
 			label = "reset";
 			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
 			linux,code = <KEY_RESTART>;