boot: zephyr: Update USB CDC ACM device name
boot: zephyr: Update USB CDC ACM device name

Follow the device name changes in Zephyr.

Signed-off-by: Filip Kubicz <065d22bb8773a435670bc9158adcd670a7c08f1c@nordicsemi.no>

runtimeco/mcuboot,utzig/mcuboot,tamban01/mcuboot,tamban01/mcuboot,runtimeco/mcuboot,ATmobica/mcuboot,tamban01/mcuboot,ATmobica/mcuboot,utzig/mcuboot,runtimeco/mcuboot,tamban01/mcuboot,ATmobica/mcuboot,tamban01/mcuboot,runtimeco/mcuboot,ATmobica/mcuboot,utzig/mcuboot,utzig/mcuboot,ATmobica/mcuboot,utzig/mcuboot,runtimeco/mcuboot