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/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