QmlProfiler: Allow user to specify a sysroot for "Attach to Port"

Change-Id: I943255e5a501610195e3758f9fbb42d127f15524
Reviewed-on: http://codereview.qt-project.org/6451
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Aurindam Jana <aurindam.jana@nokia.com>

src/plugins/debugger/debuggerdialogs.cpp

@@ -864,6 +864,16 @@ int AttachToQmlPortDialog::port() const
     return m_ui->portSpinBox->value();
 }
 
+QString AttachToQmlPortDialog::sysroot() const
+{
+    return m_ui->sysRootChooser->path();
+}
+
+void AttachToQmlPortDialog::setSysroot(const QString &sysroot)
+{
+    m_ui->sysRootChooser->setPath(sysroot);
+}
+
 // --------- StartRemoteCdbDialog
 static inline QString cdbRemoteHelp()
 {