Add updated Sub parameters metadata

src/FirmwarePlugin/APM/APMFirmwarePlugin.cc

@@ -840,8 +840,10 @@ QString APMFirmwarePlugin::internalParameterMetaDataFile(Vehicle* vehicle)
     case MAV_TYPE_SUBMARINE:
         if (vehicle->firmwareMajorVersion() < 3 || (vehicle->firmwareMajorVersion() == 3 && vehicle->firmwareMinorVersion() <= 4)) {
             return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.4.xml");
-        } else {
+        } else if (vehicle->firmwareMinorVersion() <= 5) {
             return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.5.xml");
+        } else {
+            return QStringLiteral(":/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.6dev.xml");
         }
     default:
         return QString();

src/FirmwarePlugin/APM/APMResources.qrc

@@ -52,6 +52,7 @@
 		<file alias="APMParameterFactMetaData.Rover.3.4.xml">APMParameterFactMetaData.Rover.3.4.xml</file>
         <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.3.6dev.xml">APMParameterFactMetaData.Sub.3.6dev.xml</file>
         <file alias="Copter.OfflineEditing.params">Copter3.5.OfflineEditing.params</file>
         <file alias="Plane.OfflineEditing.params">Plane3.7.OfflineEditing.params</file>
     </qresource>