[SCSI] arcmsr: initial driver, version 1.20.00.13

arcmsr is a driver for the Areca Raid controller, a host based RAID
subsystem that speaks SCSI at the firmware level.

This patch is quite a clean up over the initial submission with
contributions from:

Randy Dunlap <rdunlap@xenotime.net>
Christoph Hellwig <hch@lst.de>
Matthew Wilcox <matthew@wil.cx>
Adrian Bunk <bunk@stusta.de>

Signed-off-by: Erich Chen <erich@areca.com.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 96a81cd..d61662c 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -469,6 +469,20 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called in2000.
 
+config SCSI_ARCMSR
+	tristate "ARECA ARC11X0[PCI-X]/ARC12X0[PCI-EXPRESS] SATA-RAID support"
+	depends on PCI && SCSI
+	help
+	  This driver supports all of ARECA's SATA RAID controller cards.
+	  This is an ARECA-maintained driver by Erich Chen.
+	  If you have any problems, please mail to: < erich@areca.com.tw >
+	  Areca supports Linux RAID config tools.
+
+	  < http://www.areca.com.tw >
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called arcmsr (modprobe arcmsr).
+
 source "drivers/scsi/megaraid/Kconfig.megaraid"
 
 config SCSI_SATA