ansible: fix keystone v3 auth in skydive tripleo inventory
ansible: fix keystone v3 auth in skydive tripleo inventory

skydive-project/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,lebauce/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,lebauce/skydive,skydive-project/skydive,lebauce/skydive,skydive-project/skydive,lebauce/skydive,skydive-project/skydive,skydive-project/skydive