Adding some values for match sources

dicos/70_prometheus.xml

@@ -169,6 +169,18 @@
             <param>['Node Exporter','Port']</param>
         </check>
 
+        <check name='valid_enum' target='alRouteMatchSource'>
+            <param>['','service','severity']</param>
+        </check>
+
+        <check name='valid_enum' target='alRouteMatchRegExpSource'>
+            <param>['','service','severity']</param>
+        </check>
+
+        <check name='valid_enum' target='alSubRouteMatchSource'>
+            <param>['','service','severity']</param>
+        </check>
+
         <condition name='disabled_if_in' source='alSMTPAuth'>
             <param>non</param>
             <target type='variable'>alSMTPUser</target>