#Does not work - does not even show the dfu class CONFIG_STDOUT_CONSOLE=y CONFIG_GPIO=y CONFIG_USB=y CONFIG_USB_DEVICE_STACK=y CONFIG_USB_DEVICE_PRODUCT="Zephyr CDC ACM sample" CONFIG_LOG=y CONFIG_USB_DRIVER_LOG_LEVEL_ERR=y CONFIG_USB_DEVICE_LOG_LEVEL_ERR=y CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_LINE_CTRL=y CONFIG_USB_CDC_ACM=n #VID PID CONFIG_USB_DEVICE_VID=0x1920 CONFIG_USB_DEVICE_PID=0x520F # DFU overlay CONFIG_USB_COMPOSITE_DEVICE=n CONFIG_USB_DFU_CLASS=y CONFIG_FLASH=y CONFIG_IMG_MANAGER=y CONFIG_FLASH_PAGE_LAYOUT=y CONFIG_BOOTLOADER_MCUBOOT=y #Flash config CONFIG_FLASH=y CONFIG_SOC_FLASH_NRF=y CONFIG_IMG_MANAGER=y CONFIG_MPU_ALLOW_FLASH_WRITE=y CONFIG_POLL=y CONFIG_FLASH_PAGE_LAYOUT=y CONFIG_DISABLE_FLASH_PATCH=y CONFIG_IMG_BLOCK_BUF_SIZE=256 CONFIG_IMG_ERASE_PROGRESSIVELY=y