[SCSI] fix up SCSI netlink build

CONFIG_SCSI_NETLINK can become a bool since the item its
selecting (CONFIG_NET) cannot be a module.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/Kconfig

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 4d1998d..a6f920d 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -28,7 +28,7 @@
 	  (the one containing the directory /) is located on a SCSI device.
 
 config SCSI_NETLINK
-	tristate
+	bool
 	default	n
 	select NET