staging/rdma/hfi1: Clean-up unnecessary goto statements

Clean-up unnecessary goto statements based on feedback from the
mailing list on previous patch submissions.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>