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/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 02d67d0..dc4eb87 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1363,7 +1363,7 @@
  *
  *  1) down
  *  2) autoneg_progress
- *  3) autoneg_complete (the link sucessfully autonegotiated)
+ *  3) autoneg_complete (the link successfully autonegotiated)
  *  4) forced_up (the link has been forced up, it did not autonegotiate)
  *
  **/