stream distance sensor at 10Hz for SITL-EKF testing

posix-configs/SITL/init/ekf2/iris_opt_flow

@@ -73,6 +73,7 @@ mavlink stream -r 50 -s SERVO_OUTPUT_RAW_0 -u 14556
 mavlink stream -r 20 -s RC_CHANNELS -u 14556
 mavlink stream -r 250 -s HIGHRES_IMU -u 14556
 mavlink stream -r 10 -s OPTICAL_FLOW_RAD -u 14556
+mavlink stream -r 10 -s DISTANCE_SENSOR -u 14556
 logger start -e -t
 mavlink boot_complete
 replay trystart