[SCSI] small whitespace cleanup for qlogic driver

Add a few spaces to MODULE_PARM_DESC() text for qla2xxx. Without these
spaces text runs together when modinfo prints the text.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>