samples: usb: cdc_acm_bridge: Add overlay for ESP32-S3-GEEK

Add an overlay to use the Waveshare ESP32-S3-GEEK dongle as a USB-to-serial
adapter.

Signed-off-by: Chen Xingyu <[email protected]>

Author: xingrz

samples/subsys/usb/cdc_acm_bridge/boards/esp32s3_geek_esp32s3_procpu.overlay

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Chen Xingyu <[email protected]>
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	uart-bridge0 {
+		compatible = "zephyr,uart-bridge";
+		peers = <&cdc_acm_uart0 &uart0>;
+	};
+};
+
+&usb_serial {
+	status = "disabled";
+};
+
+&zephyr_udc0 {
+	status = "okay";
+
+	cdc_acm_uart0: cdc_acm_uart0 {
+		compatible = "zephyr,cdc-acm-uart";
+		label = "Zephyr USB CDC-ACM";
+	};
+};