[SCSI] cxgb4i v5: iscsi driver

Added cxgb4i iSCSI driver.

This patch implements the cxgb4i iscsi connection acceleration for the
open-iscsi initiator.

The cxgb4i driver offers the iscsi PDU based offload:
- digest insertion and verification
- payload direct-placement into host memory buffer.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 2703c6e..cb31f8c 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -134,6 +134,7 @@
 obj-$(CONFIG_SCSI_MVSAS)	+= mvsas/
 obj-$(CONFIG_PS3_ROM)		+= ps3rom.o
 obj-$(CONFIG_SCSI_CXGB3_ISCSI)	+= libiscsi.o libiscsi_tcp.o cxgb3i/
+obj-$(CONFIG_SCSI_CXGB4_ISCSI)	+= libiscsi.o libiscsi_tcp.o cxgbi/
 obj-$(CONFIG_SCSI_BNX2_ISCSI)	+= libiscsi.o bnx2i/
 obj-$(CONFIG_BE2ISCSI)		+= libiscsi.o be2iscsi/
 obj-$(CONFIG_SCSI_PMCRAID)	+= pmcraid.o