mediatek: filogic: convert Qihoo 360T7 to fitblk

Use fitblk driver instead of deprecated partition parser.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

target/linux/mediatek/dts/mt7981b-qihoo-360t7.dts

@@ -20,6 +20,8 @@
 	};
 
 	chosen {
+		bootargs-append = " root=/dev/fit0 rootwait";
+		rootdisk = <&ubi_rootdisk>;
 		stdout-path = "serial0:115200n8";
 	};
 
@@ -134,6 +136,13 @@
 			partition@580000 {
 				label = "ubi";
 				reg = <0x0580000 0x6c00000>;
+				compatible = "linux,ubi";
+
+				volumes {
+					ubi_rootdisk: ubi-volume-fit {
+						volname = "fit";
+					};
+				};
 			};
 
 			partition@7180000 {