Add Genesis "Theme Settings" page link to WordPress toolbar

functions.php

<?php
//* Add Genesis "Theme Settings" to Toolbar
add_action( 'admin_bar_menu', 'genesis_adminbar_settings_link', 999 );
function genesis_adminbar_settings_link( $wp_admin_bar ) {
	$args = array(
		'id'     => 'genesis_theme_settings',
		'title'  => 'Genesis Settings',
		'href'   => '/wp-admin/admin.php?page=genesis',
		'parent' => 'site-name'
	);
	$wp_admin_bar->add_node( $args );
}