sp-cinder: Add iSCSI-related config files to output of the iSCSI job

Change-Id: Ib184ff18581b113768c87a38de47a2509fd24c3b
diff --git a/zuul.d/sp-cinder.yaml b/zuul.d/sp-cinder.yaml
index 0db024c..7310ece 100644
--- a/zuul.d/sp-cinder.yaml
+++ b/zuul.d/sp-cinder.yaml
@@ -146,6 +146,9 @@
 
     vars:
       os_venv: "~/sp-venv-openstack"
+      zuul_copy_output:
+        /etc/multipath.conf: logs_txt
+        /etc/iscsi/iscsid.conf: logs_txt
       devstack_localrc:
         CINDER_ENABLED_BACKENDS: storpool:storpool
         # CINDER_ISCSI_HELPER: tgtadm