Rename tox_venvlist (1/2)

For consistency with the tox jobs, use tox_envlist instead of
tox_venvlist.

We need first to add a new parameter, then change the job, then
remove the old parameter.

Change-Id: Iff3093e61c7d2cb684667d5bc5f2a75580569aab
Needed-By: I67a20b1faa77ff0166ad96fd95432c11948abc74
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index f38a582..03a775f 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -49,6 +49,7 @@
       tempest_concurrency: 2
       tempest_test_regex: ^octavia_tempest_plugin
       tox_venvlist: all
+      tox_envlist: all
 
 - job:
     name: octavia-v2-dsvm-py35-scenario