tools: add 'nfdc cs config' command

refs #4050

Change-Id: Ifc49b78a286b1947452d3d7917b5937b95d1bfe5
diff --git a/tools/nfdc/available-commands.cpp b/tools/nfdc/available-commands.cpp
index fca0745..5be4854 100644
--- a/tools/nfdc/available-commands.cpp
+++ b/tools/nfdc/available-commands.cpp
@@ -24,6 +24,7 @@
  */
 
 #include "available-commands.hpp"
+#include "cs-module.hpp"
 #include "face-module.hpp"
 #include "rib-module.hpp"
 #include "status.hpp"
@@ -39,6 +40,7 @@
   registerStatusCommands(parser);
   FaceModule::registerCommands(parser);
   RibModule::registerCommands(parser);
+  CsModule::registerCommands(parser);
   StrategyChoiceModule::registerCommands(parser);
 }