Update to SystemC 3.0.1

Fix some of the deprecation warnings introduced in the new version such
as the removal of SC_HAS_PROCESS.

tests/tests_simulator/cache/ListInitiator.h

@@ -43,7 +43,6 @@ class ListInitiator : public sc_core::sc_module
 public:
     tlm_utils::simple_initiator_socket<ListInitiator> iSocket;
 
-    SC_HAS_PROCESS(ListInitiator);
     ListInitiator(const sc_core::sc_module_name& name, DRAMSys::MemoryManager& memoryManager);
 
     struct TestTransactionData

tests/tests_simulator/cache/TargetMemory.h

@@ -46,7 +46,6 @@ class TargetMemory : public sc_core::sc_module
 {
 public:
     tlm_utils::simple_target_socket<TargetMemory> tSocket;
-    SC_HAS_PROCESS(TargetMemory);
     TargetMemory(const sc_core::sc_module_name& name,
                  sc_core::sc_time acceptDelay,
                  sc_core::sc_time memoryLatency,

tests/tests_simulator/cache/tests_cache.cpp

@@ -44,7 +44,10 @@
 class SystemCTest : public testing::Test
 {
 public:
-    ~SystemCTest() override { sc_core::sc_get_curr_simcontext()->reset(); }
+    ~SystemCTest() override { 
+        sc_core::sc_curr_simcontext = new sc_core::sc_simcontext();
+        sc_core::sc_default_global_context = sc_core::sc_curr_simcontext;
+    }
 };
 
 class DirectMappedCache : public SystemCTest