ramips: use GPIO_ACTIVE macros in UBNT-ERX.dts

- reorder includes
- use GPIO_ACTIVE_LOW macro instead of hardcoded "1"

Signed-off-by: Sven Roederer <devel-sven@geroedel.de>

target/linux/ramips/dts/UBNT-ERX.dts

@@ -1,9 +1,10 @@
-#include <dt-bindings/input/input.h>
-
 /dts-v1/;
 
 #include "mt7621.dtsi"
 
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
 / {
 	model = "UBNT-ERX";
 
@@ -24,7 +25,7 @@
 
 		reset {
 			label = "reset";
-			gpios = <&gpio0 12 1>;
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_RESTART>;
 		};
 	};