Add mcp common scripts repo required for generate model job

We use generate-salt-model-separated-products job
in TryMCP, which is requires to have mcp-common-scripts
repository prepared in gerrit.

Change-Id: Ieca2113a00e216785081b79de91ec6e686e78d30
diff --git a/defaults/gerrit/init.yml b/defaults/gerrit/init.yml
new file mode 100644
index 0000000..7fbdd67
--- /dev/null
+++ b/defaults/gerrit/init.yml
@@ -0,0 +1,6 @@
+parameters:
+  _param:
+    gerrit_pipeline_library_repo: https://github.com/Mirantis/pipeline-library
+    gerrit_mk_pipelines_repo: https://github.com/Mirantis/mk-pipelines
+    gerrit_decapod_pipelines_repo: https://github.com/mateuszlos/decapod-pipelines
+    gerrit_mcp_common_scripts_repo: https://github.com/Mirantis/mcp-common-scripts
\ No newline at end of file