[][Add reset and wps for cheetah board]

[Description]
Add reset and wps for cheetah board
-- AP will recovery to default state when user press the reset button

[Release-log]
N/A

Change-Id: I49b9ffaff05eaf7386932ced9c15b48fe41bb6bc
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5992775
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts
index a11a809..745606f 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts
@@ -13,6 +13,21 @@
 		reg = <0 0x40000000 0 0x10000000>;
 	};
 
+	gpio-keys {
+			compatible = "gpio-keys";
+				reset {
+					label = "reset";
+					linux,code = <KEY_RESTART>;
+					gpios = <&pio 1 GPIO_ACTIVE_LOW>;
+				};
+
+				wps {
+					label = "wps";
+					linux,code = <KEY_WPS_BUTTON>;
+					gpios = <&pio 0 GPIO_ACTIVE_HIGH>;
+				};
+	};
+
 	nmbm_spim_nand {
 		compatible = "generic,nmbm";