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/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 265e66d..5e1d516 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -397,7 +397,7 @@
 	/*
 	 * Hardware might have stripped the IV/EIV/ICV data,
 	 * in that case it is possible that the data was
-	 * provided seperately (through hardware descriptor)
+	 * provided separately (through hardware descriptor)
 	 * in which case we should reinsert the data into the frame.
 	 */
 	if ((rxdesc.dev_flags & RXDONE_CRYPTO_IV) &&