kernel: iscsi-initator: fix kernel config symbols
Enable SCSI low-level drivers on targets that don't have it already in
order to fix following build failures on few platforms:
.config:4739:warning: symbol value 'm' invalid for SCSI_LOWLEVEL
* Restart config...
* SCSI low-level drivers
SCSI low-level drivers (SCSI_LOWLEVEL) [Y/n] (NEW) aborted!
Fixes: b88f8202c4ce ("kernel: add iscsi-initator support")
Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>
[commit subject and description facelift]
Signed-off-by: Petr Štetiar <ynezz@true.cz>