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/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 109d278..bef0233 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -248,7 +248,7 @@
  *
  * Interrupts are handled by a single CPU and it is likely that on a MP system
  * the application is migrated to another CPU. In that scenario, we try to
- * seperate the RX(in irq context) and TX state in order to decrease memory
+ * separate the RX(in irq context) and TX state in order to decrease memory
  * contention.
  */
 struct sge {