BuildSet.py: conditional archive
BuildSet.py: conditional archive

Some trigger builds have a conditional repo, in that, the repo is
within the config file but not actually cloned. These do not
need to be archived, and in fact, can't be because we obviously
didn't clone them.

Signed-off-by: Elizabeth Flanagan <86e3219095765dcc0f6f42aef4bd43803a05b796@intel.com>

denny820909/builder,denny820909/builder,denny820909/builder,denny820909/builder