fixed USBDP pullup in Multistepper (it works always, so you can use DFU)

F3:F303/Multistepper/hashgen/testdic

@@ -0,0 +1,56 @@
+abspos
+accel
+adc
+button
+canerrcodes
+canfilter
+canflood
+canfloodT
+canid
+canignore
+canincrflood
+canpause
+canreinit
+canresume
+cansend
+canspeed
+canstat
+delignlist
+diagn
+dumperr
+dumpcmd
+dumpconf
+emstop
+encpos
+encrev
+encstepmax
+encstepmin
+eraseflash
+esw
+eswreact
+goto
+gotoz
+gpioconf
+gpio
+maxspeed
+maxsteps
+mcut
+mcuvdd
+microsteps
+minspeed
+motflags
+motmul
+motreinit
+ping
+relpos
+relslow
+reset
+saveconf
+screen
+speedlimit
+state
+stop
+time
+tmcbus
+udata
+usartstatus