arm64: dts: lg: Use recommended simple-bus node name

Update LG LG131x 'amba' bus node name to 'amba-bus' following the
standard names for simple-bus nodes. Generally, node names and paths
aren't considered ABI, so it is safe to change them.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251216175951.2791921-2-robh@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Author: robherring

arch/arm64/boot/dts/lg/lg131x.dtsi

@@ -102,7 +102,7 @@
 		clock-output-names = "BUSCLK";
 	};
 
-	amba {
+	amba-bus {
 		#address-cells = <2>;
 		#size-cells = <1>;