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/scsi/initio.c b/drivers/scsi/initio.c
index 89a5948..a771416 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -531,7 +531,7 @@
  *	initio_stop_bm		-	stop bus master
  *	@host: InitIO we are stopping
  *
- *	Stop any pending DMA operation, aborting the DMA if neccessary
+ *	Stop any pending DMA operation, aborting the DMA if necessary
  */
 
 static void initio_stop_bm(struct initio_host * host)