Add RS watchdog.

Change-Id: I4c912beb84fa8a37ada0088049f7776132e994b6
diff --git a/rsThreadIO.cpp b/rsThreadIO.cpp
index fe2c52e..b1a579a 100644
--- a/rsThreadIO.cpp
+++ b/rsThreadIO.cpp
@@ -112,6 +112,10 @@
     memcpy(data, &mToCoreRet, dataLen);
 }
 
+void ThreadIO::setTimoutCallback(void (*cb)(void *), void *dat, uint64_t timeout) {
+    mToCore.setTimoutCallback(cb, dat, timeout);
+}
+
 
 bool ThreadIO::playCoreCommands(Context *con, bool waitForCommand, uint64_t timeToWait) {
     bool ret = false;