Add some stuff related to cache

src/application_wrapper/cache/application_wrapper_cache_pkg.sv

@@ -0,0 +1,13 @@
+package application_wrapper_cache_pkg;
+
+    typedef struct {
+        logic cache_disable;
+        logic read_eanble;
+        logic write_enable;
+        logic execute_enable;
+        logic supervisor;
+        logic present;
+        logic write_through;
+    } page_table_entry_t;
+
+endpackage