ath79: tweak the position of factory partition for wr818

The 'factory' partition will move to 0x50000-0x60000 in 2019. As
the webserver in bootloader is compatible with different mtdlayout,
all the users still can upgrade firmware whatever on ath79 or ar71xx.

Signed-off-by: Rosy Song <rosysong@rosinson.com>

target/linux/ath79/dts/qca9563_rosinson_wr818.dts

@@ -83,18 +83,18 @@
 				read-only;
 			};
 
-			partition@50000 {
-				compatible = "denx,uimage";
-				label = "firmware";
-				reg = <0x050000 0xf80000>;
-			};
-
-			info: partition@fd0000 {
+			info: partition@50000 {
 				label = "factory";
-				reg = <0xfd0000 0x010000>;
+				reg = <0x050000 0x010000>;
 				read-only;
 			};
 
+			partition@60000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x060000 0xf80000>;
+			};
+
 			art: partition@ff0000 {
 				label = "art";
 				reg = <0xff0000 0x010000>;