isci: move remote_device handling out of the core

Now that the core/lldd remote_device data structures are nominally unified
merge the corresponding sources into the top-level directory.  Also move the
remote_node_context infrastructure which has no analog at the lldd level.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 3aceb92..676bcdb 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -55,14 +55,12 @@
 
 #include "isci.h"
 #include "scic_io_request.h"
-#include "scic_remote_device.h"
 #include "scic_port.h"
-
 #include "port.h"
 #include "request.h"
 #include "host.h"
 #include "probe_roms.h"
-#include "core/scic_sds_controller.h"
+#include "scic_sds_controller.h"
 
 irqreturn_t isci_msix_isr(int vec, void *data)
 {