Cinder needs iscsiadm available

This patch adds the binary packages that contains
the iscsiadm utility for cinder.   Cinder
uses the iscsiadm utility for various actions
and it should be there for devstack users.

Fixes bug #1219032

Change-Id: I8e1c6e2e5d4bfade50aba9259b6da3957d6d622d
diff --git a/files/rpms/cinder b/files/rpms/cinder
index 699f2fc..c4edb68 100644
--- a/files/rpms/cinder
+++ b/files/rpms/cinder
@@ -3,3 +3,4 @@
 qemu-img
 python-devel
 postgresql-devel
+iscsi-initiator-utils