Show List of Items from Component in Module Select

<?php

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

JFormHelper::loadFieldClass('list');

class JFormFieldSingleLocation extends JFormFieldList {
  /**
	 * The field type.
	 *
	 * @var         string
	 */
	protected $type = 'SingleLocation';

  /**
	 * Method to get a list of options for a list input.
	 *
	 * @return  array  An array of JHtml options.
	 */
	protected function getOptions()
	{
		$db    = JFactory::getDBO();
		$query = $db->getQuery(true);
		$query->select('id,locationname');
		$query->from('#__name_location');
		$db->setQuery((string) $query);
		$locations = $db->loadObjectList();
		$options  = array();

		if ($locations)
		{
			foreach ($locations as $location)
			{
				$options[] = JHtml::_('select.option', $location->id, $location->locationname);
			}
		}

		$options = array_merge(parent::getOptions(), $options);

		return $options;
	}
}

<fieldset
                name="item_content"
                label="MOD_NAME_ITEM_CONTENT_TAB"
                description="MOD_NAME_ITEM_CONTENT_TAB_DESC"
                addfieldpath="/administrator/components/com_name/administrator/models/fields">
                <field
                    name="item_table" type="list"
                    label="MOD_NAME_TABLE_LBL"
                    description="MOD_NAME_TABLE_DESC">

	                  <option value="#__name_location">#__name_location</option>
                </field>

                <field name="item_id" type="SingleLocation" label="Location"
	                 description="Location you want to display"
	                  required="true" />