Edit couchstore toybuild manifest

Change-Id: I3149f9fa30b4692f0f74e287909d591e318f85cc
Reviewed-on: http://review.couchbase.org/29072
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>