Added new robot descriptions for Robotoid

toid_bot_description/src/toid_bot_control.xacro

@@ -6,7 +6,7 @@
     <ros2_control name="${name}" type="system">
       <xacro:unless value="${use_mock_hardware}">
         <hardware>
-            <!-- plugin would eventually go here-->
+            <plugin>mg_control/MgStepperInterface</plugin>
         </hardware>
       </xacro:unless>
       <xacro:if value="${use_mock_hardware}">