Merge changes from topic "st_usb" into integration

* changes:
feat(plat/st/stm32mp1): add STM32MP_USB_PROGRAMMER target
feat(plat/st/stm32mp1): add USB DFU support for STM32MP1
feat(plat/st):

Merge changes from topic "st_usb" into integration

* changes:
feat(plat/st/stm32mp1): add STM32MP_USB_PROGRAMMER target
feat(plat/st/stm32mp1): add USB DFU support for STM32MP1
feat(plat/st): add STM32CubeProgrammer support on USB
feat(drivers/st/usb): add device driver for STM32MP1
feat(plat/st): add a USB DFU stack
feat(drivers/usb): add a USB device stack

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feat(plat/st): add a USB DFU stack

Add a stack to support the Universal Serial Bus Device Class
Specification for Device Firmware Upgrade (USB DFU v1.1).

This stack is based on the USB device stack

feat(plat/st): add a USB DFU stack

Add a stack to support the Universal Serial Bus Device Class
Specification for Device Firmware Upgrade (USB DFU v1.1).

This stack is based on the USB device stack (USBD).

Change-Id: I8a56411d184882b6a9e3617c6dfb859086b8f353
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>

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