scsi: print single-character strings with seq_putc

Using seq_putc to print a single character saves at least a strlen()
call and a memory access, and may also give a small .text reduction.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --cc drivers/scsi/NCR5380.c
Simple merge

diff --cc drivers/scsi/advansys.c
Simple merge

diff --cc drivers/scsi/aic7xxx/aic79xx_proc.c
Simple merge

diff --cc drivers/scsi/aic7xxx/aic7xxx_proc.c
Simple merge

diff --cc drivers/scsi/atari_NCR5380.c
Simple merge

diff --cc drivers/scsi/dc395x.c
Simple merge

diff --cc drivers/scsi/esas2r/esas2r_main.c
Simple merge

diff --cc drivers/scsi/in2000.c
Simple merge

diff --cc drivers/scsi/ips.c
Simple merge

diff --cc drivers/scsi/nsp32.c
Simple merge

diff --cc drivers/scsi/pcmcia/nsp_cs.c
Simple merge

diff --cc drivers/scsi/qla2xxx/qla_dfs.c
Simple merge

diff --cc drivers/scsi/scsi_proc.c
Simple merge

diff --cc drivers/scsi/scsi_trace.c
Simple merge

diff --cc drivers/scsi/wd33c93.c
Simple merge