added all coverity fixes

osal/FreeRTOS/Clock.cpp

@@ -111,7 +111,7 @@ ReturnValue_t Clock::getDateAndTime(TimeOfDay_t* time) {
 
 ReturnValue_t Clock::convertTimeOfDayToTimeval(const TimeOfDay_t* from,
         timeval* to) {
-    struct tm time_tm;
+    struct tm time_tm = {};
 
     time_tm.tm_year = from->year - 1900;
     time_tm.tm_mon = from->month - 1;