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>

drivers/watchdog/machzwd.c

@@ -21,7 +21,7 @@
  *      wd#1 - 2 seconds;
  *      wd#2 - 7.2 ms;
  *  After the expiration of wd#1, it can generate a NMI, SCI, SMI, or
- *  a system RESET and it starts wd#2 that unconditionaly will RESET
+ *  a system RESET and it starts wd#2 that unconditionally will RESET
  *  the system when the counter reaches zero.
  *
  *  14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>