change the uboot file, edit devicetree to add a status led support

kernel_boot/boards/antsdr/devicetree.dts

@@ -862,22 +862,8 @@
 
 		led0 {
 			label = "led0:green";
-			gpios = <0x6 0x3a 0x0>;
-		};
-
-		led1 {
-			label = "led1:green";
-			gpios = <0x6 0x3b 0x0>;
-		};
-
-		led2 {
-			label = "led2:green";
-			gpios = <0x6 0x3c 0x0>;
-		};
-
-		led3 {
-			label = "led3:green";
-			gpios = <0x6 0x3d 0x0>;
+			gpios = <0x6 0xF 0>;
+			linux,default-trigger = "heartbeat";
 		};
 	};
 
@@ -887,56 +873,11 @@
 		#size-cells = <0x0>;
 		autorepeat;
 
-		pb0 {
-			label = "Left";
-			linux,code = <0x69>;
-			gpios = <0x6 0x36 0x0>;
-		};
-
-		pb1 {
-			label = "Right";
-			linux,code = <0x6a>;
-			gpios = <0x6 0x37 0x0>;
-		};
-
-		pb2 {
-			label = "Up";
-			linux,code = <0x67>;
-			gpios = <0x6 0x38 0x0>;
-		};
-
-		pb3 {
-			label = "Down";
-			linux,code = <0x6c>;
-			gpios = <0x6 0x39 0x0>;
-		};
-
-		sw0 {
-			label = "SW0";
-			linux,input-type = <0x5>;
-			linux,code = <0x0>;
-			gpios = <0x6 0x3e 0x0>;
-		};
-
 		sw1 {
 			label = "SW1";
 			linux,input-type = <0x5>;
-			linux,code = <0x1>;
-			gpios = <0x6 0x3f 0x0>;
-		};
-
-		sw2 {
-			label = "SW2";
-			linux,input-type = <0x5>;
-			linux,code = <0x2>;
-			gpios = <0x6 0x40 0x0>;
-		};
-
-		sw3 {
-			label = "SW3";
-			linux,input-type = <0x5>;
 			linux,code = <0x3>;
-			gpios = <0x6 0x41 0x0>;
+			gpios = <0x6 0xE 0x0>;
 		};
 	};
 };