[SCSI] enclosure: add support for enclosure services

The enclosure misc device is really just a library providing sysfs
support for physical enclosure devices and their components.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 78cd338..7b5220c 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -285,4 +285,13 @@
 
 	  If unsure, say N.
 
+config ENCLOSURE_SERVICES
+	tristate "Enclosure Services"
+	default n
+	help
+	  Provides support for intelligent enclosures (bays which
+	  contain storage devices).  You also need either a host
+	  driver (SCSI/ATA) which supports enclosures
+	  or a SCSI enclosure device (SES) to use these services.
+
 endif # MISC_DEVICES