yang-cli: Allow loading module by name

Linking with filesystem is back!

Change-Id: I355f0991848df1dd72aceff5a57559ddc20a6082
diff --git a/src/yang_access.cpp b/src/yang_access.cpp
index 8eccef4..d5c0ade 100644
--- a/src/yang_access.cpp
+++ b/src/yang_access.cpp
@@ -279,6 +279,11 @@
     return "";
 }
 
+void YangAccess::loadModule(const std::string& name)
+{
+    m_schema->loadModule(name);
+}
+
 void YangAccess::addSchemaFile(const std::string& path)
 {
     m_schema->addSchemaFile(path.c_str());