lnst.spec: create new lnst-recipes package
    
    Future versions will also create a new lnst-recipes.rpm package that
    will contain recipes maintained by the LNST project.
    
    Signed-off-by: Ondrej Lichtner <olichtne@redhat.com>
    Signed-off-by: Jiri Pirko <jiri@resnulli.us>