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/video/tdfxfb.c b/drivers/video/tdfxfb.c
index ff43c88..9805483 100644
--- a/drivers/video/tdfxfb.c
+++ b/drivers/video/tdfxfb.c
@@ -52,7 +52,7 @@
  *
  * 0.1.3 (released 1999-11-02)	added Attila's panning support, code
  *				reorg, hwcursor address page size alignment
- *				(for mmaping both frame buffer and regs),
+ *				(for mmapping both frame buffer and regs),
  *				and my changes to get rid of hardcoded
  *				VGA i/o register locations (uses PCI
  *				configuration info now)