CONFIG_STDOUT_CONSOLE=y #USB related configs CONFIG_USB_DEVICE_STACK=y CONFIG_USB_DEVICE_PRODUCT="Zephyr MSC sample" CONFIG_LOG=y CONFIG_USB_DRIVER_LOG_LEVEL_ERR=y CONFIG_USB_MASS_STORAGE=y CONFIG_USB_DEVICE_LOG_LEVEL_ERR=y CONFIG_USB_MASS_STORAGE_LOG_LEVEL_ERR=y CONFIG_MAIN_STACK_SIZE=1536