zephyr: remove Kconfig option CONFIG_USB
USB device support configuration is revised,
CONFIG_USB option is deprecated.
Only USB_DEVICE_STACK option should be used to
enable USB device support.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
diff --git a/boot/zephyr/Kconfig b/boot/zephyr/Kconfig
index 2311296..f40307c 100644
--- a/boot/zephyr/Kconfig
+++ b/boot/zephyr/Kconfig
@@ -355,7 +355,7 @@
config BOOT_USB_DFU_WAIT
bool "Wait for a prescribed duration to see if USB DFU is invoked"
- select USB
+ select USB_DEVICE_STACK
select USB_DFU_CLASS
select IMG_MANAGER
help
@@ -365,7 +365,7 @@
config BOOT_USB_DFU_GPIO
bool "Use GPIO to detect whether to trigger DFU mode"
- select USB
+ select USB_DEVICE_STACK
select USB_DFU_CLASS
select IMG_MANAGER
help
@@ -478,7 +478,6 @@
config BOOT_SERIAL_CDC_ACM
bool "CDC ACM"
- select USB
select USB_DEVICE_STACK
select USB_CDC_ACM
diff --git a/boot/zephyr/boards/nrf52840dongle_nrf52840.conf b/boot/zephyr/boards/nrf52840dongle_nrf52840.conf
index ba333d9..25dd652 100644
--- a/boot/zephyr/boards/nrf52840dongle_nrf52840.conf
+++ b/boot/zephyr/boards/nrf52840dongle_nrf52840.conf
@@ -24,7 +24,6 @@
CONFIG_MULTITHREADING=y
# USB
-CONFIG_USB=y
CONFIG_USB_DEVICE_STACK=y
CONFIG_USB_DEVICE_PRODUCT="MCUBOOT"
CONFIG_USB_CDC_ACM=y