Allow xos to have dev SemVer patches

Don't perform XOS api tests on docs-only patches

Change-Id: Ib29c28d4c7b985864a691b30a3661b232054c696
ehange-Id: Ib04702c93e9c474e5b8c05cbfcfabfc53bf53c76
diff --git a/jjb/defaults.yaml b/jjb/defaults.yaml
index f8bdec5..f29f066 100644
--- a/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@ -82,6 +82,7 @@
     # for matching files with file-include-regexp
     all-files-regexp: '.*'
     doc-files-regexp: '^docs/.*'
+    not-doc-files-regexp: '^(?!docs).*'
 
     # Jenkins SSH host doc publisher
     docs-ssh-host: 'guide.opencord.org'