some info output

bsp_q7s/core/CoreController.cpp

@@ -1240,6 +1240,7 @@ ReturnValue_t CoreController::gracefulShutdownTasks(xsc::Chip chip, xsc::Copy co
     // and a reboot is imminent. Use scratch buffer?
     sif::info << "Running slot was writeprotected before reboot" << std::endl;
   }
+  sif::info << "Graceful shutdown handling done" << std::endl;
   // Ensure that all diagnostic prinouts arrive.
   TaskFactory::delayTask(50);
   return result;