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/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 3bde56b..5bfb1f2 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -542,7 +542,7 @@
 /**
  * wdrtas_get_tokens - reads in RTAS tokens
  *
- * returns 0 on succes, <0 on failure
+ * returns 0 on success, <0 on failure
  *
  * wdrtas_get_tokens reads in the tokens for the RTAS calls used in
  * this watchdog driver. It tolerates, if "get-sensor-state" and
@@ -598,7 +598,7 @@
 /**
  * wdrtas_register_devs - registers the misc dev handlers
  *
- * returns 0 on succes, <0 on failure
+ * returns 0 on success, <0 on failure
  *
  * wdrtas_register_devs registers the watchdog and temperature watchdog
  * misc devs
@@ -630,7 +630,7 @@
 /**
  * wdrtas_init - init function of the watchdog driver
  *
- * returns 0 on succes, <0 on failure
+ * returns 0 on success, <0 on failure
  *
  * registers the file handlers and the reboot notifier
  */