cinder: try harder to use iSCSI

Change-Id: I64d593697ebd901f1fc3ce67f5a778600b453317
diff --git a/zuul.d/sp-cinder.yaml b/zuul.d/sp-cinder.yaml
index 4432c81..986a18d 100644
--- a/zuul.d/sp-cinder.yaml
+++ b/zuul.d/sp-cinder.yaml
@@ -38,6 +38,9 @@
               volume_driver: cinder.volume.drivers.storpool.StorPoolDriver
               storpool_template: virtual
               # enable_unsupported_driver: true
+              # cfg: iscsi
+              iscsi_export_to: "\\\\*"
+              iscsi_portal_group: pg
       tox_envlist: all
       tempest_test_regex: |
         ^cinder_tempest_plugin