Implement batch scheduler as a SYSTEMC process

# Explain what has been changed

# Explain why this change is being made

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DRAMSys/simulator/src/controller/scheduler/SMS.cpp

@@ -68,8 +68,11 @@ void SMS::batchFormation()
 
 void SMS::batchScheduler()
 {
+  sc_time memClk = Configuration::getInstance().memSpec.clk;
   while (true)
   {
+    wait(memClk);
+
     srand(time(NULL));
     bool isSJF = (rand() % 100) < SJFprobability;
     if (!existReadyBatch())