scsi: esas2r: Fix format string type mistakes

This adds the missing __printf attribute which allows compile time
format string checking (and will be used by the coming initify gcc
plugin). Additionally, this fixes the warnings exposed by the attribute.

Signed-off-by: Emese Revfy <re.emese@gmail.com>
[kees: split scsi/acpi, merged attr and fix, new commit messages]
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

[SCSI] esas2r: ATTO Technology ExpressSAS 6G SAS/SATA RAID Adapter Driver

This is a new driver for ATTO Technology's ExpressSAS series of hardware RAID
adapters. It supports the following adapters:

- ExpressSAS R60F
- ExpressSAS R680
- ExpressSAS R608
- ExpressSAS R644

Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>