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/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 64cdfeb..6c459f5 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -612,7 +612,7 @@
 		goto error_wait_for_ack;
 	}
 	rx_bytes = result;
-	/* verify the ack and read more if neccessary [result is the
+	/* verify the ack and read more if necessary [result is the
 	 * final amount of bytes we get in the ack]  */
 	result = __i2400m_bm_ack_verify(i2400m, opcode, ack, ack_size, flags);
 	if (result < 0)