regtools: add graphical register explorer + analyser

This tool allows one to explore any register map. Register dumps
(like produced by hwstub tools) can be loaded and decoded by the
tool. Finally some analysers are provided for specific soc analysis
like clock tree and emi on imx233 for example.

Change-Id: Iaf81bd52d15f3e44ab4fe9bc039153fcf60cf92a

utils/regtools/qeditor/settings.h

@@ -0,0 +1,21 @@
+#ifndef _SETTINGS_H_
+#define _SETTINGS_H_
+
+#include <QSettings>
+#include <QString>
+#include <QDir>
+
+class Settings
+{
+public:
+    Settings();
+    ~Settings();
+
+    QSettings *GetSettings();
+    static QSettings *Get();
+private:
+    QSettings *m_settings;
+    static Settings g_settings;
+};
+
+#endif /* _SETTINGS_H_ */