go: fix problem with using single config file
go: fix problem with using single config file

This hadn't been tested, since we generally use directories with multiple
configs in them, like SAIO does.

Change-Id: Ie8623bc3de8ca4618a3e29754bb1148429bab994

nadeemsyed/hummingbird,troubling/hummingbird,redbo/hummingbird,corystone/hummingbird,creiht/hummingbird,corystone/hummingbird,creiht/hummingbird,redbo/hummingbird,troubling/hummingbird,nadeemsyed/hummingbird