adding default bind_host to enable change 4880

Change-Id: I949effe56cad7ae466a458da48bc85fe1c110138
diff --git a/files/keystone.conf b/files/keystone.conf
index d9e639f..64f0a66 100644
--- a/files/keystone.conf
+++ b/files/keystone.conf
@@ -1,4 +1,5 @@
 [DEFAULT]
+bind_host = 0.0.0.0
 public_port = 5000
 admin_port = 35357
 admin_token = %SERVICE_TOKEN%