Benjamin Valentin e957f339d3 cpu/stm32: don't include usbdev_stm32.h in periph_cpu_common.h
`usbdev_stm32.h` will pull in `usb.h` which causes an error if
`USB_H_USER_IS_RIOT_INTERNAL` is not set.

Turns out this include is not needed, so just drop it.
2020-05-29 17:42:19 +02:00
..
2020-05-20 13:39:11 +02:00