Add a README file for dtc and libfdt

Add a README file to document the location of the mailing list, the home
page and state who the maintainers are.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
diff --git a/README b/README
new file mode 100644
index 0000000..979974a
--- /dev/null
+++ b/README
@@ -0,0 +1,20 @@
+The source tree contains the Device Tree Compiler (dtc) toolchain for
+working with device tree source and binary files and also libfdt, a
+utility library for reading and manipulating the binary format.
+
+DTC and LIBFDT are maintained by:
+
+David Gibson <david@gibson.dropbear.id.au>
+Jon Loeliger <jdl@jdl.com>
+
+Mailing list
+------------
+The following list is for discussion about dtc and libfdt implementation
+mailto:devicetree-compiler@vger.kernel.org
+
+Core device tree bindings are discussed on the devicetree-spec list:
+mailto:devicetree-spec@vger.kernel.org
+
+Home Page
+---------
+http://devicetree.org/Device_Tree_Compiler