cpu/esp32: fix usbdev_synopsys_dwc2 on ztimer_msec 
cpu/esp32: fix usbdev_synopsys_dwc2 on ztimer_msec 

The `usbdev_synopsys_dwc2 driver` requires the `ztimer_msec` module and is therefore responsible for pulling it in. Therefore, the dependency on `ztimer_msec` can be removed here.
jasonatran/RIOT,ant9000/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,ant9000/RIOT,ant9000/RIOT,kaspar030/RIOT,jasonatran/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,ant9000/RIOT,RIOT-OS/RIOT,ant9000/RIOT,jasonatran/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,kaspar030/RIOT,kaspar030/RIOT,RIOT-OS/RIOT