Update PX4 Firmware metadata Thu Jul 9 14:45:34 UTC 2020

src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml

@@ -3351,13 +3351,14 @@ but also ignore less noise</short_desc>
       <short_desc>Geofence violation action</short_desc>
       <long_desc>Note: Setting this value to 4 enables flight termination, which will kill the vehicle on violation of the fence. Due to the inherent danger of this, this function is disabled using a software circuit breaker, which needs to be reset to 0 to really shut down the system.</long_desc>
       <min>0</min>
-      <max>4</max>
+      <max>5</max>
       <values>
         <value code="0">None</value>
         <value code="1">Warning</value>
         <value code="2">Hold mode</value>
         <value code="3">Return mode</value>
         <value code="4">Terminate</value>
+        <value code="5">Land mode</value>
       </values>
     </parameter>
     <parameter default="0" name="GF_ALTMODE" type="INT32">