scsi: qla2xxx: Fix port speed display on chip reset

Clear port speed value on chip reset.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_init.c

@@ -6560,6 +6560,7 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
 	if (!(IS_P3P_TYPE(ha)))
 		ha->isp_ops->reset_chip(vha);
 
+	ha->link_data_rate = PORT_SPEED_UNKNOWN;
 	SAVE_TOPO(ha);
 	ha->flags.rida_fmt2 = 0;
 	ha->flags.n2n_ae = 0;