change ttyACM0 to mccd

homologation/launch/homologation.launch

 <launch>
 
-    <arg name="mccd_port" default="/dev/ttyACM0"/>
+    <arg name="mccd_port" default="/dev/mccd"/>
     <arg name="mccd_baud" default="115200"/>
 
     <include file="$(find motors_control_card)/launch/mccd.launch">
@@ -18,4 +18,4 @@
         <rosparam command="load" file="$(find homologation)/config/rear_laser.yaml" />
     </node>
 
-</launch>
\ No newline at end of file
+</launch>