iot: Update presets to enable {green,red}boot-task-runner
    
    {green,red}boot.service have been renamed to
    {green,red}boot-task-runner.service, and greenboot.target
    has been renamed to greenboot.service.
    This change accounts for the new service names.
    
    Signed-off-by: Christian Glombek <cglombek@redhat.com>