trivial: fix typo milisecond/millisecond for documentation and source comments.

Signed-off-by: Martin Olsson <martin@minimum.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/scsi/dpt/osd_util.h b/drivers/scsi/dpt/osd_util.h
index 4b56c04..b2613c2 100644
--- a/drivers/scsi/dpt/osd_util.h
+++ b/drivers/scsi/dpt/osd_util.h
@@ -342,7 +342,7 @@
 /* wakes up the specifed thread */
 void osdWakeThread(uLONG);
 
-/* osd sleep for x miliseconds */
+/* osd sleep for x milliseconds */
 void osdSleep(uLONG);
 
 #define DPT_THREAD_PRIORITY_LOWEST 0x00