[nrf noup] boot: zephyr: Prevent old USB stack warning

Prevents a deprecation warning from failing builds when the old
USB stack is used for USB DFU or serial recovery modes

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

boot/zephyr/Kconfig

@@ -1008,6 +1008,7 @@ config BOOT_USB_DFU_WAIT
 	select IMG_MANAGER
 	select STREAM_FLASH
 	select MULTITHREADING
+	imply DEPRECATION_TEST
 	help
 	  If y, MCUboot waits for a prescribed duration of time to allow
 	  for USB DFU to be invoked. Please note DFU always updates the
@@ -1020,6 +1021,7 @@ config BOOT_USB_DFU_GPIO
 	select IMG_MANAGER
 	select STREAM_FLASH
 	select MULTITHREADING
+	imply DEPRECATION_TEST
 	help
 	  If y, MCUboot uses GPIO to detect whether to invoke USB DFU.
 

boot/zephyr/Kconfig.serial_recovery

@@ -38,6 +38,7 @@ config BOOT_SERIAL_UART
 config BOOT_SERIAL_CDC_ACM
 	bool "CDC ACM"
 	select USB_DEVICE_STACK
+	imply DEPRECATION_TEST
 	help
 	  This setting will choose CDC ACM for serial recovery unless chosen
 	  "zephyr,uart-mcumgr" is present, in which case the chosen takes