treewide: fix comment/printk/variable typos

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 7a0431c..c1bafc3 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -2240,7 +2240,7 @@
 			status = ireq->sci_status;
 			sci_change_state(&idev->sm, SCI_STP_DEV_ATAPI_ERROR);
 		} else {
-			/* If receiving any non-sucess TC status, no UF
+			/* If receiving any non-success TC status, no UF
 			 * received yet, then an UF for the status fis
 			 * is coming after (XXX: suspect this is
 			 * actually a protocol error or a bug like the