scsi: qla2xxx: Add marginal path handling support

Add support for eh_should_retry_cmd callback in qla2xxx host template.

Link: https://lore.kernel.org/r/20210427050914.7270-1-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bikash Hazarika <bhazarika@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -7707,6 +7707,7 @@ struct scsi_host_template qla2xxx_driver_template = {
 
 	.eh_timed_out		= fc_eh_timed_out,
 	.eh_abort_handler	= qla2xxx_eh_abort,
+	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,