launch: add respawn_mavros arg

reqs mavros>=0.23.2

launch/mavros_posix_sitl.launch

@@ -21,8 +21,9 @@
     <arg name="verbose" default="false"/>
     <arg name="paused" default="false"/>
     <arg name="respawn_gazebo" default="false"/>
-    <!-- MAVROS connection -->
+    <!-- MAVROS configs -->
     <arg name="fcu_url" default="udp://:14540@localhost:14557"/>
+    <arg name="respawn_mavros" default="false"/>
     <!-- PX4 SITL and Gazebo -->
     <include file="$(find px4)/launch/posix_sitl.launch">
         <arg name="x" value="$(arg x)"/>
@@ -46,5 +47,6 @@
         <!-- GCS link is provided by SITL -->
         <arg name="gcs_url" value=""/>
         <arg name="fcu_url" value="$(arg fcu_url)"/>
+        <arg name="respawn_mavros" value="$(arg respawn_mavros)"/>
     </include>
 </launch>