Update PX4 Firmware metadata Thu Jun 6 18:24:02 UTC 2019

src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml

@@ -9198,12 +9198,11 @@ is less than 50% of this value</short_desc>
     <parameter default="2" name="SYS_MC_EST_GROUP" type="INT32">
       <short_desc>Set multicopter estimator group</short_desc>
       <long_desc>Set the group of estimators used for multicopters and VTOLs</long_desc>
-      <min>1</min>
-      <max>2</max>
       <reboot_required>true</reboot_required>
       <values>
         <value code="1">local_position_estimator, attitude_estimator_q (unsupported)</value>
         <value code="2">ekf2 (recommended)</value>
+        <value code="3">Q attitude estimator (no position)</value>
       </values>
     </parameter>
     <parameter default="1" name="SYS_PARAM_VER" type="INT32">