Fix so that info from xmq driver is printed with --listfields=<driver>

drivers/src/elf2.xmq

@@ -76,7 +76,8 @@ driver {
     field {
         name     = status
         quantity = Text
-        info     = status_and_error_flags
+        info     = 'Status and error flags.'
+        attributes = INCLUDE_TPL_STATUS
         match {
             measurement_type = Instantaneous
             vif_range        = ErrorFlags

src/driver_dynamic.cc

@@ -28,6 +28,7 @@ string check_default_fields(const char *fields, string file);
 void check_detection_triplets(DriverInfo *di, string file);
 
 string check_field_name(const char *name, DriverDynamic *dd);
+string check_field_info(const char *info, DriverDynamic *dd);
 Quantity check_field_quantity(const char *quantity_s, DriverDynamic *dd);
 VifScaling check_vif_scaling(const char *vif_scaling_s, DriverDynamic *dd);
 DifSignedness check_dif_signedness(const char *dif_signedness_s, DriverDynamic *dd);
@@ -277,8 +278,8 @@ XMQProceed DriverDynamic::add_field(XMQDoc *doc, XMQNode *field, DriverDynamic *
     // The properties are by default empty but can be specified for specific fields.
     PrintProperties properties = check_print_properties(xmqGetStringRel(doc, "attributes", field), dd);
 
-    // The about fields explains what the value is for. Ie. is storage 1 the previous day or month value etc.
-    string info = get_translation(doc, field, "about", language());
+    // The info fields explains what the value is for. Ie. is storage 1 the previous day or month value etc.
+    string info = check_field_info(xmqGetStringRel(doc, "info", field), dd);
 
     // The calculate formula is optional.
     string calculate = check_calculate(xmqGetStringRel(doc, "calculate", field), dd);
@@ -600,6 +601,13 @@ string check_field_name(const char *name, DriverDynamic *dd)
     return name;
 }
 
+string check_field_info(const char *info, DriverDynamic *dd)
+{
+    if (!info) return "";
+
+    return info;
+}
+
 Quantity check_field_quantity(const char *quantity_s, DriverDynamic *dd)
 {
     if (!quantity_s)