Add metadata for ArduSub 4.0

src/FirmwarePlugin/APM/APMFirmwarePlugin.cc

@@ -876,6 +876,9 @@ QString APMFirmwarePlugin::internalParameterMetaDataFile(Vehicle* vehicle)
         return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Rover.3.4.xml");
 
     case MAV_TYPE_SUBMARINE:
+        if (vehicle->versionCompare(4, 0, 0) >= 0) { // 4.0.x
+            return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.4.0.xml");
+        }
         if (vehicle->versionCompare(3, 6, 0) >= 0) { // 3.6.x
             return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.6.xml");
         }

src/FirmwarePlugin/APM/APMResources.qrc

@@ -57,6 +57,7 @@
         <file alias="APMParameterFactMetaData.Sub.3.4.xml">APMParameterFactMetaData.Sub.3.4.xml</file>
         <file alias="APMParameterFactMetaData.Sub.3.5.xml">APMParameterFactMetaData.Sub.3.5.xml</file>
         <file alias="APMParameterFactMetaData.Sub.3.6.xml">APMParameterFactMetaData.Sub.3.6.xml</file>
+        <file alias="APMParameterFactMetaData.Sub.4.0.xml">APMParameterFactMetaData.Sub.4.0.xml</file>
         <file alias="Copter.OfflineEditing.params">Copter3.6.OfflineEditing.params</file>
         <file alias="Plane.OfflineEditing.params">Plane3.9.OfflineEditing.params</file>
         <file alias="Rover.OfflineEditing.params">Rover3.5.OfflineEditing.params</file>