Add possibility to define list of services/modules/packages to skip

Change-Id: Ice289221e6e99181682ddf9155f390c388e590ad
Related-Prod: #PROD-27215(PROD:27215)
diff --git a/cvp-sanity/cvp_checks/global_config.yaml b/cvp-sanity/cvp_checks/global_config.yaml
index 47a28cd..1521383 100644
--- a/cvp-sanity/cvp_checks/global_config.yaml
+++ b/cvp-sanity/cvp_checks/global_config.yaml
@@ -81,3 +81,12 @@
 # ntp test setting
 # this test may skip specific node (use fqdn)
 ntp_skipped_nodes: [""]
+
+# packages need to skip in
+# test_check_package_versions
+skipped_packages: [""]
+# test_check_module_versions
+skipped_modules: [""]
+# test_check_services
+skipped_services: [""]
+