ibft: convert iscsi_ibft module to iscsi boot lib

This patch just converts the iscsi_ibft module to the
iscsi boot sysfs lib module.
Signed-off-by: NMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: NPeter Jones <pjones@redhat.com>

drivers/firmware/Kconfig

@@ -132,6 +132,7 @@ config ISCSI_BOOT_SYSFS
 
 config ISCSI_IBFT
 	tristate "iSCSI Boot Firmware Table Attributes module"
+	select ISCSI_BOOT_SYSFS
 	depends on ISCSI_IBFT_FIND
 	default	n
 	help