Updated armband

Project: yardstick  e023a2ee7023588fda3e0d7cfebc693e4903beb6

[Yardstick-233]DPDK image for TC042

These file is based on Akos's code.
(https://gerrit.opnfv.org/gerrit/#/c/16095/)

The different places:
1. create flavor and import yardstick_key.pub with heat template.
2. remove handle code about eth0 in user_data.
3. update heat cli and delete step "nova stop" which is not necessary.
4. clean the stack in final.
5. add eth2 for vm.

JIRA: YARDSTICK-233

Change-Id: I04f2051fb4bcfeed2df4868d758fd92011c62233
Signed-off-by: wu.zhihui <wu.zhihui1@zte.com.cn>

diff --git a/upstream/yardstick b/upstream/yardstick
index 9d493a6..e023a2e 160000 (submodule)
--- a/upstream/yardstick
+++ b/upstream/yardstick
@@ -1 +1 @@
-Subproject commit 9d493a68b3df583a8875e22dbe58eaaa61511608
+Subproject commit e023a2ee7023588fda3e0d7cfebc693e4903beb6