toolchainoptionpage: make name editable next to other fields

Change-Id: I35bc69c9c26a0cf4a8ed4e1e6044428d24cdb003
Reviewed-by: hjk <qthjk@ovi.com>

src/libs/utils/detailswidget.h

@@ -72,6 +72,7 @@ public:
 
     void setWidget(QWidget *widget);
     QWidget *widget() const;
+    QWidget *takeWidget();
 
     void setToolWidget(Utils::FadingPanel *widget);
     QWidget *toolWidget() const;