tree-wide: Assorted spelling fixes

In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
index 652e2bb..dda19da 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
@@ -78,7 +78,7 @@
  *	others = Special functions (dependant on bank)
  *
  * Note, since the code to deal with the case where there are two control
- * registers instead of one, we do not have a seperate set of functions for
+ * registers instead of one, we do not have a separate set of functions for
  * each case.
 */
 extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,