message: add retry in wait_while_state in dfuse
diff: @@ -83,6 +83,10 @@ class DfuDevice:
  else:
  states = state
  + try:
  + status = self.get_status()
  + except:
  + time.sleep(0.100)
  status = self.get_status()
  while (status[1] in states):
  