arm64: dts: mediatek: mt7988: drop syscon from topmisc

Author: frank-w

arch/arm64/boot/dts/mediatek/mt7988a.dtsi

@@ -697,8 +697,8 @@
 			};
 		};
 
-		topmisc: topmisc@11d10000 {
-			compatible = "mediatek,mt7988-topmisc", "syscon",
+		topmisc: power-controller@11d10000 {
+			compatible = "mediatek,mt7988-topmisc",
 				     "mediatek,mt7988-power-controller";
 			reg = <0 0x11d10000 0 0x10000>;
 			#clock-cells = <1>;