[SCSI] scsi_transport_srp: remove tgt dependencies

it's better to remove tgt dependencies in srp transport class since
most people want only initiator support.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 4562273..7877dfd 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -291,11 +291,18 @@
 
 config SCSI_SRP_ATTRS
 	tristate "SRP Transport Attributes"
-	depends on SCSI && SCSI_TGT
+	depends on SCSI
 	help
 	  If you wish to export transport-specific information about
 	  each attached SRP device to sysfs, say Y.
 
+config SCSI_SRP_TGT_ATTRS
+	bool "SCSI target support for SRP Transport Attributes"
+	depends on SCSI_SRP_ATTRS
+	depends on SCSI_TGT = y || SCSI_TGT = SCSI_SRP_ATTRS
+	help
+		If you want to use SCSI target mode drivers enable this option.
+
 endmenu
 
 menuconfig SCSI_LOWLEVEL
@@ -848,7 +855,7 @@
 
 config SCSI_IBMVSCSIS
 	tristate "IBM Virtual SCSI Server support"
-	depends on PPC_PSERIES && SCSI_TGT && SCSI_SRP && SCSI_SRP_ATTRS
+	depends on PPC_PSERIES && SCSI_SRP && SCSI_SRP_TGT_ATTRS
 	help
 	  This is the SRP target driver for IBM pSeries virtual environments.