diff --git a/lib/Kconfig b/lib/Kconfig
index a9e1540..e091300 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -395,4 +395,10 @@
 	  Digital signature verification. Currently only RSA is supported.
 	  Implementation is done using GnuPG MPI library
 
+#
+# libfdt files, only selected if needed.
+#
+config LIBFDT
+	bool
+
 endmenu