Stratosphere: extract common code to libstratosphere.

stratosphere/libstratosphere/include/stratosphere/iserviceobject.hpp

@@ -0,0 +1,10 @@
+#pragma once
+#include <switch.h>
+
+#include "ipc_templating.hpp"
+
+class IServiceObject {
+    public:
+        virtual ~IServiceObject() { }
+        virtual Result dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size) = 0;
+};