Add empty csnd service

src/core/services/csnd.cpp

@@ -0,0 +1,16 @@
+#include "services/csnd.hpp"
+
+#include "ipc.hpp"
+#include "result/result.hpp"
+
+void CSNDService::reset() {}
+
+void CSNDService::handleSyncRequest(u32 messagePointer) {
+	const u32 command = mem.read32(messagePointer);
+
+	switch (command) {
+		default:
+			Helpers::panic("Unimplemented CSND service requested. Command: %08X\n", command);
+			break;
+	}
+}