scsi: qlogicpti: Mark qlogicpti_info() static

The qlogicpti_info() function is only used in this file and should be
static to avoid a warning:

drivers/scsi/qlogicpti.c:846:13: error: no previous prototype for 'qlogicpti_info' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Jack Wang <[e-mail]>
Acked-by: Palmer Dabbelt <[e-mail]> # RISC-V
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/qlogicpti.c

···
 	return 0;
 }
 
-const char *qlogicpti_info(struct Scsi_Host *host)
+static const char *qlogicpti_info(struct Scsi_Host *host)
 {
 	static char buf[80];
 	struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata;