Ensure INFO runs in centos

Move INFO.yaml verify jobs to centos node
to ensure there are no issues with Python
packages.

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: Ib696292b9785478175515694247854b2e4e1c37f
diff --git a/jjb/so/so.yaml b/jjb/so/so.yaml
index 3701b53..323bca4 100644
--- a/jjb/so/so.yaml
+++ b/jjb/so/so.yaml
@@ -99,6 +99,7 @@
     project-name: so
     jobs:
       - gerrit-info-yaml-verify
+    build-node: centos7-builder-2c-1g
     project: so
     branch: master
     branch: elalto