eiru_base_menu_tpv/menu_tpv.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
  <data>

    <menuitem name="TPV"
          id="point_of_sale.menu_point_root"
          parent="eiru_base_menu.menu_operations"
          sequence="1"/>

  </data>
</openerp>