drivers: usb_dc_stm32: add support for SoF event

Add support for SoF events to the USB STM32 device driver. When
CONFIG_USB_DEVICE_SOF is enabled, enable the corresponding interrupt
and provide a non-weak callback function calling status_cb.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
1 file changed