i40iw: Do not poll CCQ after it is destroyed

Control Queue Pair (CQP) OPs, in this case - Update SDs,
cannot poll the Control Completion Queue (CCQ) after CCQ is
destroyed. Instead, poll via registers.

Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/i40iw/i40iw_ctrl.c

@@ -1970,6 +1970,8 @@ static enum i40iw_status_code i40iw_sc_ccq_destroy(struct i40iw_sc_cq *ccq,
 		ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000);
 	}
 
+	cqp->process_cqp_sds = i40iw_update_sds_noccq;
+
 	return ret_code;
 }