Split footer in Genesis

functions.php

add_shortcode( 'sitename', 'site_name' );
function site_name() {
  return '<a href="' . get_bloginfo( 'url' ) . '" title="' . get_bloginfo( 'sitename' ) . '">' . get_bloginfo( 'name' ) . '</a>';
}

//* Change the footer text
add_filter('genesis_footer_creds_text', 'sp_footer_creds_filter');
function sp_footer_creds_filter( $creds ) {
	$creds = '

		<div class="alignleft">
			[sitename]<br/>
			Copyright [footer_copyright] &middot; All Rights Reserved
		</div>

		<div class="alignright">
			<a href="http://mydomain.com">My Custom Link</a> on the <a href="http://www.studiopress.com/themes/genesis" title="Genesis Framework">Genesis Framework</a><br/>
			Powered by [footer_wordpress_link]
		</div>

	';
	return $creds;
}