QmlProfiler: Support profiling applications on embedded Linux

Allow on-device profiling e.g. on Meego/Harmattan.

Change-Id: I066b71078e1dab1b1369ff7275f72e88045d1bab
Reviewed-on: http://codereview.qt.nokia.com/784
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/plugins/qmlprofiler/localqmlprofilerrunner.h

@@ -61,6 +61,7 @@ public:
     // AbstractQmlProfilerRunner
     virtual void start();
     virtual void stop();
+    virtual int debugPort() const;
 
 private slots:
     void spontaneousStop(int exitCode);