ARM: dts: gemini: Fix "debounce-interval" property misspelling

"debounce_interval" was never supported.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/gemini-dlink-dir-685.dts

@@ -28,7 +28,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		button-esc {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_ESC>;
 			label = "reset";
@@ -36,7 +36,7 @@
 			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
 		};
 		button-eject {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_EJECTCD>;
 			label = "unmount";

arch/arm/boot/dts/gemini-dlink-dns-313.dts

@@ -34,7 +34,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		button-esc {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_ESC>;
 			label = "reset";

arch/arm/boot/dts/gemini-nas4220b.dts

@@ -30,7 +30,7 @@
 		#size-cells = <0>;
 
 		button@29 {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_SETUP>;
 			label = "Backup button";
@@ -38,7 +38,7 @@
 			gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
 		};
 		button@31 {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_RESTART>;
 			label = "Softreset button";

arch/arm/boot/dts/gemini-rut1xx.dts

@@ -30,7 +30,7 @@
 		#size-cells = <0>;
 
 		button@28 {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_SETUP>;
 			label = "Reset to defaults";

arch/arm/boot/dts/gemini-sq201.dts

@@ -30,7 +30,7 @@
 		#size-cells = <0>;
 
 		button@18 {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_SETUP>;
 			label = "factory reset";

arch/arm/boot/dts/gemini-wbd111.dts

@@ -30,7 +30,7 @@
 		#size-cells = <0>;
 
 		button@5 {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_SETUP>;
 			label = "reset";

arch/arm/boot/dts/gemini-wbd222.dts

@@ -30,7 +30,7 @@
 		#size-cells = <0>;
 
 		button@5 {
-			debounce_interval = <50>;
+			debounce-interval = <50>;
 			wakeup-source;
 			linux,code = <KEY_SETUP>;
 			label = "reset";