isci: unify isci_remote_device and scic_sds_remote_device

Remove the distinction between these two implementations and unify on
isci_remote_device (local instances named idev).

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/port.h b/drivers/scsi/isci/port.h
index cdea48e..b9bc89b 100644
--- a/drivers/scsi/isci/port.h
+++ b/drivers/scsi/isci/port.h
@@ -283,15 +283,15 @@
 					struct isci_phy *iphy);
 
 struct isci_request;
-struct scic_sds_remote_device;
+struct isci_remote_device;
 enum sci_status scic_sds_port_start_io(
 	struct isci_port *iport,
-	struct scic_sds_remote_device *sci_dev,
+	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sci_status scic_sds_port_complete_io(
 	struct isci_port *iport,
-	struct scic_sds_remote_device *sci_dev,
+	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sas_linkrate scic_sds_port_get_max_allowed_speed(