samples: usb: mass: Add config for ESP32-S3

Add USB mass storage sample overlay for ESP32-S3.

Signed-off-by: Raffael Rostagno <[email protected]>

Author: Raffael Rostagno

samples/subsys/usb/mass/boards/esp32s3_devkitm_procpu.overlay

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	msc_disk0 {
+		compatible = "zephyr,flash-disk";
+		partition = <&storage_partition>;
+		disk-name = "NAND";
+		cache-size = <4096>;
+	};
+};