ath79: Add missing read-only properties

Add some read-only properties to protect partitions from
accidental changes.

Also fixed two whitespaces error on the way.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/ath79/dts/ar7241_ubnt_airrouter.dts

@@ -30,9 +30,9 @@
 };
 
 &usb_phy {
-        status = "okay";
+	status = "okay";
 };
 
 &usb {
-        status = "okay";
+	status = "okay";
 };

target/linux/ath79/dts/qca9531_engenius_ews511ap.dts

@@ -118,6 +118,7 @@
 			art: partition@50000 {
 				label = "art";
 				reg = <0x050000 0x010000>;
+				read-only;
 			};
 
 			partition@60000 {

target/linux/ath79/dts/qca9531_glinet_gl-ar300m.dtsi

@@ -99,6 +99,7 @@
 			art: partition@3 {
 				label = "art";
 				reg = <0xff0000 0x010000>;
+				read-only;
 			};
 		};
 	};

target/linux/ath79/dts/qca9531_glinet_gl-x750.dts

@@ -108,6 +108,7 @@
 			art: partition@50000 {
 				label = "art";
 				reg = <0x050000 0x010000>;
+				read-only;
 			};
 
 			partition@60000 {

target/linux/ath79/dts/qca9563_glinet_gl-ar750s.dts

@@ -92,6 +92,7 @@
 			art: partition@50000 {
 				label = "art";
 				reg = <0x050000 0x010000>;
+				read-only;
 			};
 
 			partition@60000 {

target/linux/ath79/dts/qca9563_tplink_archer-a7-v5.dts

@@ -39,16 +39,19 @@
 	info: info@f40000 {
 		label = "info";
 		reg = <0xf40000 0x020000>;
+		read-only;
 	};
 
 	config: config@f60000 {
 		label = "config";
 		reg = <0xf60000 0x050000>;
+		read-only;
 	};
 
 	partition@fc0000 {
 		label = "partition-table";
 		reg = <0xfc0000 0x010000>;
+		read-only;
 	};
 
 	art: art@ff0000 {

target/linux/ath79/dts/qca9563_tplink_archer-c2-v3.dts

@@ -124,6 +124,7 @@
 			partition@20000 {
 				label = "uboot";
 				reg = <0x020000 0x10000>;
+				read-only;
 			};
 
 			partition@30000 {

target/linux/ath79/dts/qca9563_tplink_archer-c7-v5.dts

@@ -33,6 +33,7 @@
 	partition@40000 {
 		label = "partition-table";
 		reg = <0x040000 0x010000>;
+		read-only;
 	};
 
 	art: partition@50000 {
@@ -44,11 +45,13 @@
 	info: partition@60000 {
 		label = "info";
 		reg = <0x060000 0x020000>;
+		read-only;
 	};
 
 	partition@80000 {
 		label = "user-config";
 		reg = <0x080000 0x040000>;
+		read-only;
 	};
 
 	partition@c0000 {
@@ -60,5 +63,6 @@
 	partition@ff0000 {
 		label = "default-config";
 		reg = <0xff0000 0x010000>;
+		read-only;
 	};
 };