stm32/usb: Allow a board to configure USBD_VID and all PIDs.
If a board defines USBD_VID then that will be used instead of the default.
And then the board must also define all USBD_PID_xxx values that it needs.
#define PYB_USB_FLAG_USB_MODE_CALLED (0x0002)
+#ifndef USBD_VID
// Windows needs a different PID to distinguish different device configurations
#define USBD_VID (0xf055)
#define USBD_PID_CDC_MSC (0x9800)
#define USBD_PID_CDC_MSC_HID (0x9808)
#define USBD_PID_CDC2_MSC_HID (0x9809)
#define USBD_PID_CDC3_MSC_HID (0x980a)
+#endif
typedef enum {
PYB_USB_STORAGE_MEDIUM_NONE = 0,
