add one time log for BDA

src/graphics/host_gpu/renderer/renderContext.h

@@ -81,6 +81,7 @@ private:
 	std::unique_ptr<GuestGpu> m_gpu;
 	VideoOut::VideoOutDriver* m_video_out = nullptr;
 	bool                      m_fault_process_pending = false;
+	bool                      m_bda_logged = false;
 
 	Common::Mutex                        m_interrupt_mutex;
 	std::vector<InterruptEqRegistration> m_interrupt_eqs;