refcount_t is the preferred type for refcounts. Change the
QP and CQ refcnt fields to use refcount_t.
Reviewed-by: NAdit Ranadive <aditr@vmware.com>
Reviewed-by: NAditya Sarwade <asarwade@vmware.com>
Reviewed-by: NJorgen Hansen <jhansen@vmware.com>
Signed-off-by: NBryan Tan <bryantan@vmware.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>