ncm: update enums, refactor comparison operators

libraries/libstratosphere/source/ncm/ncm_content_meta_type.cpp

@@ -22,6 +22,7 @@ namespace ams::ncm {
             case ContentMetaType::Application:  return "Application";
             case ContentMetaType::Patch:        return "Patch";
             case ContentMetaType::AddOnContent: return "AddOnContent";
+            case ContentMetaType::DataPatch:    return "DataPatch";
             default:                            return "(unknown)";
         }
     }