tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/net/skfp/h/smc.h b/drivers/net/skfp/h/smc.h
index 1758d95..026a83b 100644
--- a/drivers/net/skfp/h/smc.h
+++ b/drivers/net/skfp/h/smc.h
@@ -393,10 +393,10 @@
 					 */
 	u_long	mac_d_max ;		/* MAC : D_Max timer value */
 
-	u_long lct_short ;		/* LCT : error threshhold */
-	u_long lct_medium ;		/* LCT : error threshhold */
-	u_long lct_long ;		/* LCT : error threshhold */
-	u_long lct_extended ;		/* LCT : error threshhold */
+	u_long lct_short ;		/* LCT : error threshold */
+	u_long lct_medium ;		/* LCT : error threshold */
+	u_long lct_long ;		/* LCT : error threshold */
+	u_long lct_extended ;		/* LCT : error threshold */
 } ;
 
 #ifdef	DEBUG