panda: non-returning openocd-loop at terminate

Previously for correct termination, the PandaController called
the finish-function of the openocd wrapper, invoked a coroutine
switch and waited for the openocd wrapper to finish up and switch
coroutine again, so the PandaController could exit with correct
exitStatus. Now the openocd-wrapper directly exits with chosen
exit status.

Change-Id: I8d318a4143c53340896ccee4d059a0d79fdcfe89

src/core/comm/CMakeLists.txt

@@ -9,7 +9,6 @@ set(PROTOS
 	FailControlMessage.proto
 	DatabaseCampaignMessage.proto
 	TracePlugin.proto
-	HopChain.proto
 )
 
 #### PROTOBUFS ####

src/core/sal/panda/PandaController.cc

@@ -89,12 +89,12 @@ void PandaController::reboot()
 
 void PandaController::terminate(int exCode)
 {
-	oocdw_finish();
+	oocdw_finish(exCode);
 	/*
 	 * Resume to let OpenOCD terminate properly
+	 * This call does not return!
 	 */
 	m_Flows.resume();
-	SimulatorController::terminate(exCode);
 }
 
 } // end-of-namespace: fail