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/sound/Kconfig b/sound/Kconfig
index 4b5365a..fcad760f 100644
--- a/sound/Kconfig
+++ b/sound/Kconfig
@@ -55,7 +55,7 @@
 	  Please read Documentation/feature-removal-schedule.txt for
 	  details.
 
-	  If unusre, say Y.
+	  If unsure, say Y.
 
 source "sound/oss/dmasound/Kconfig"