REVYOS: riscv: dts: th1520: rename thead to xuantie

Signed-off-by: Han Gao <[email protected]>
[Icenowy: preserve the original compatible to allow Linux to match]
Signed-off-by: Icenowy Zheng <[email protected]>

Author: RevySR

arch/riscv/boot/dts/thead/th1520.dtsi

@@ -286,7 +286,7 @@
 	};
 
 	aon: aon {
-		compatible = "thead,th1520-aon";
+		compatible = "xuantie,th1520-aon", "thead,th1520-aon";
 		mboxes = <&mbox_910t 1>;
 		mbox-names = "aon";
 		resets = <&rst TH1520_RESET_ID_GPU_CLKGEN>;