[SCSI] qla4xxx: select iscsi boot sysfs attrs

qla4xxx now uses iscsi_boot_sysfs to export the targets used
for boot to sysfs. It needs to select that config option
to make sure that module is also built.
Signed-off-by: NMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla4xxx/Kconfig

@@ -2,6 +2,7 @@ config SCSI_QLA_ISCSI
 	tristate "QLogic ISP4XXX and ISP82XX host adapter family support"
 	depends on PCI && SCSI
 	select SCSI_ISCSI_ATTRS
+	select ISCSI_BOOT_SYSFS
 	---help---
 	This driver supports the QLogic 40xx (ISP4XXX) and 8022 (ISP82XX)
 	iSCSI host adapter family.