Add addToLayout()-method to KitConfigWidget.

Provide default implementation to do a single-line layout
and let the DebuggerKitConfigWidget span 3 rows, aligning label
and button accordingly.

Change-Id: I0fb3a3116a593822da9c4499c142b8a8255c02d0
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/debuggerkitconfigwidget.cpp

@@ -100,6 +100,13 @@ DebuggerKitConfigWidget::DebuggerKitConfigWidget(ProjectExplorer::Kit *k,
     connect(m_comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(refreshLabel()));
 }
 
+void DebuggerKitConfigWidget::addToLayout(QGridLayout *layout, int row)
+{
+    addLabel(layout, row);
+    layout->addWidget(this, row, WidgetColumn, 3 , 1);
+    addButtonWidget(layout, row + 2);
+}
+
 QString DebuggerKitConfigWidget::displayName() const
 {
     return tr("Debugger:");