Allow OS maintainer to use their own video mode settings. Fixes #259

Signed-off-by: Sam Nazarko <[email protected]>

Author: samnazarko

recovery/multiimagewritethread.cpp

@@ -302,7 +302,8 @@ bool MultiImageWriteThread::processImage(const QString &folder, const QString &f
     Json::saveToFile("/mnt2/os_config.json", qm);
 
     emit statusUpdate(tr("%1: Saving display mode to config.txt").arg(os_name));
-    patchConfigTxt();
+    if ( ! vos.value("managevideo").toBool())
+        patchConfigTxt();
 
     /* Partition setup script can either reside in the image folder
      * or inside the boot partition tarball */