Add more types to YangSchema::nodeType

This doesn't do much here (we can't parse paths to these new types, so
no way to call it with that a path of a new type), but it will be useful
with the new approach to node parsing, where nodeType is used.

Change-Id: If7aefca145094f305752a192bfaa3ea658f32081
diff --git a/tests/yang.cpp b/tests/yang.cpp
index cdb200e..3c658b3 100644
--- a/tests/yang.cpp
+++ b/tests/yang.cpp
@@ -816,6 +816,7 @@
                         {"example-schema"s, "obsoleteLeaf"},
                         {"example-schema"s, "obsoleteLeafWithDeprecatedType"},
                         {"example-schema"s, "obsoleteLeafWithObsoleteType"},
+                        {"example-schema"s, "myRpc"},
                         {"example-schema"s, "systemStats"}};
                 }
 
@@ -887,6 +888,7 @@
                         {"example-schema"s, "leafUint8"},
                         {"example-schema"s, "length"},
                         {"example-schema"s, "loopback"},
+                        {"example-schema"s, "myRpc"},
                         {"example-schema"s, "numberOrString"},
                         {"example-schema"s, "obsoleteLeaf"},
                         {"example-schema"s, "obsoleteLeafWithDeprecatedType"},
@@ -944,6 +946,9 @@
                         {boost::none, "/example-schema:leafUint64"},
                         {boost::none, "/example-schema:leafUint8"},
                         {boost::none, "/example-schema:length"},
+                        {boost::none, "/example-schema:myRpc"},
+                        {boost::none, "/example-schema:myRpc/input"},
+                        {boost::none, "/example-schema:myRpc/output"},
                         {boost::none, "/example-schema:numberOrString"},
                         {boost::none, "/example-schema:obsoleteLeaf"},
                         {boost::none, "/example-schema:obsoleteLeafWithDeprecatedType"},