Start on rvct support.

It works, except that the code model doesn't get the rvct include
directories and defines yet. And you need to have everything for
rvct set up in your environment.

src/plugins/qt4projectmanager/qt4project.cpp

@@ -45,6 +45,7 @@
 
 #ifdef QTCREATOR_WITH_S60
 #include "qt-s60/gccetoolchain.h"
+#include "qt-s60/rvcttoolchain.h"
 #endif
 
 #include <coreplugin/icore.h>
@@ -406,6 +407,9 @@ void Qt4Project::updateToolChain(const QString &buildConfiguration) const
 #ifdef QTCREATOR_WITH_S60
     if (m_toolChain && m_toolChain->type() == ToolChain::GCCE) {
         static_cast<GCCEToolChain *>(m_toolChain)->setProject(this);
+    } else if (m_toolChain && (m_toolChain->type() == ToolChain::RVCT_ARMV5
+                               || m_toolChain->type() == ToolChain::RVCT_ARMV6)) {
+        static_cast<RVCTToolChain *>(m_toolChain)->setProject(this);
     }
 #endif
 }