Add DEBUG_INFO to keep track of offset and dst_until changes

Author: pennam

src/utility/time/TimeService.cpp

@@ -93,6 +93,7 @@ unsigned long TimeService::getTime()
 
 void TimeService::setTimeZoneData(int offset, unsigned int dst_until)
 {
+  DEBUG_INFO("ArduinoIoTCloudTCP::%s offset[%d] dst_unitl[%ul]", __FUNCTION__, offset, dst_until);
   _timezone_offset = offset;
   _timezone_dst_until = dst_until;
 }