ARM: at91/dt: at91-kizbox: gpio-keys related changes

This:
 * fixes active level of GPIO (active high) and
 * renames buttons:
   - reset (PB_RST), and
   - mode to user (PB_USER).
Signed-off-by: NGaël PORTAY <g.portay@overkiz.com>
Acked-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91-kizbox.dts

@@ -89,15 +89,15 @@
 		#size-cells = <0>;
 
 		reset {
-			label = "reset";
-			gpios = <&pioB 30 GPIO_ACTIVE_LOW>;
+			label = "PB_RST";
+			gpios = <&pioB 30 GPIO_ACTIVE_HIGH>;
 			linux,code = <0x100>;
 			gpio-key,wakeup;
 		};
 
-		mode {
-			label = "mode";
-			gpios = <&pioB 31 GPIO_ACTIVE_LOW>;
+		user {
+			label = "PB_USER";
+			gpios = <&pioB 31 GPIO_ACTIVE_HIGH>;
 			linux,code = <0x101>;
 			gpio-key,wakeup;
 		};