SWDEV-498816 - Detached thread might exit and pthread_t is invalid access to check if it is valid or not.

Hence, It is not required to check it if thread is already finished processing packets.

Change-Id: If1b43a169a06203f3e1ab0529cf592879496d7c4

rocclr/device/devhostcall.cpp

@@ -334,7 +334,7 @@ void HostcallListener::consumePackets() {
 }
 
 void HostcallListener::terminate() {
-  if (!amd::Os::isThreadAlive(thread_)) {
+  if (thread_.state() < Thread::FINISHED && !amd::Os::isThreadAlive(thread_)) {
     return;
   }
   kHostThreadActive.state = Init::State::kExit;