arm64: dts: xilinx: align LED node names with dtschema

The node names should be generic and DT schema expects certain pattern:

  xilinx/zynqmp-zcu100-revC.dtb: leds: 'vbus-det' does not match any of the regexes: '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221125144136.477171-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Michal Simek <michal.simek@amd.com>

arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts

@@ -86,7 +86,7 @@ led-ds5 {
 			linux,default-trigger = "bluetooth-power";
 		};
 
-		vbus-det { /* U5 USB5744 VBUS detection via MIO25 */
+		led-vbus-det { /* U5 USB5744 VBUS detection via MIO25 */
 			label = "vbus_det";
 			gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;
 			default-state = "on";