Adds a widget area to the layout including a overall widgets wrapper

widgets.php

add_action( 'genesis_before_loop', 'mw_genesis_after_header_sidebars' );
function mw_genesis_after_header_sidebars()
{
    genesis_widget_area( 'utilities-header', array(
      'before' => '<div class="widget-area utilities-header">',
      'after' => '</div>',
     ) );
}