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/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 83f2592..486c935 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -368,7 +368,7 @@
 
 		/*
 		 * The encryption key doesn't fit within the CSR cache,
-		 * this means we should allocate it seperately and use
+		 * this means we should allocate it separately and use
 		 * rt2x00usb_vendor_request() to send the key to the hardware.
 		 */
 		reg = KEY_ENTRY(key->hw_key_idx);
@@ -382,7 +382,7 @@
 		/*
 		 * The driver does not support the IV/EIV generation
 		 * in hardware. However it demands the data to be provided
-		 * both seperately as well as inside the frame.
+		 * both separately as well as inside the frame.
 		 * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
 		 * to ensure rt2x00lib will not strip the data from the
 		 * frame after the copy, now we must tell mac80211