added /mtc-interface-info doc

docs/source/protocol/classifier.rst

@@ -34,4 +34,10 @@ These endpoints are intended for use by Dashboard V3.
 /classifier/coriant-info
 ------------------------
 
-.. autofunction:: inventory_provider.routes.classifier.get_coriant_info
\ No newline at end of file
+.. autofunction:: inventory_provider.routes.classifier.get_coriant_info
+
+
+/classifier/mtc-interface-info
+--------------------------------
+
+.. autofunction:: inventory_provider.routes.classifier.get_mtc_interface_info