ARM: shmobile: kzm9g-reference dts: Use KEY_* macros for gpio-keys

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/sh73a0-kzm9g-reference.dts

@@ -14,6 +14,7 @@
 /dts-v1/;
 #include "sh73a0.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
 / {
@@ -112,43 +113,43 @@ gpio-keys {
 
 		back-key {
 			gpios = <&pcf8575 8 GPIO_ACTIVE_LOW>;
-			linux,code = <158>;
+			linux,code = <KEY_BACK>;
 			label = "SW3";
 		};
 
 		right-key {
 			gpios = <&pcf8575 9 GPIO_ACTIVE_LOW>;
-			linux,code = <106>;
+			linux,code = <KEY_RIGHT>;
 			label = "SW2-R";
 		};
 
 		left-key {
 			gpios = <&pcf8575 10 GPIO_ACTIVE_LOW>;
-			linux,code = <105>;
+			linux,code = <KEY_LEFT>;
 			label = "SW2-L";
 		};
 
 		enter-key {
 			gpios = <&pcf8575 11 GPIO_ACTIVE_LOW>;
-			linux,code = <28>;
+			linux,code = <KEY_ENTER>;
 			label = "SW2-P";
 		};
 
 		up-key {
 			gpios = <&pcf8575 12 GPIO_ACTIVE_LOW>;
-			linux,code = <103>;
+			linux,code = <KEY_UP>;
 			label = "SW2-U";
 		};
 
 		down-key {
 			gpios = <&pcf8575 13 GPIO_ACTIVE_LOW>;
-			linux,code = <108>;
+			linux,code = <KEY_DOWN>;
 			label = "SW2-D";
 		};
 
 		home-key {
 			gpios = <&pcf8575 14 GPIO_ACTIVE_LOW>;
-			linux,code = <102>;
+			linux,code = <KEY_HOME>;
 			label = "SW1";
 		};
 	};