treewide: fix a few typos in comments

- kenrel -> kernel
- whetehr -> whether
- ttt -> tt
- sss -> ss

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
index f5b9da1..d312323 100644
--- a/drivers/media/dvb/dvb-usb/dw2102.c
+++ b/drivers/media/dvb/dvb-usb/dw2102.c
@@ -1377,7 +1377,7 @@
 	{ 0x0f, KEY_BLUE },	/* bottom yellow button */
 	{ 0x14, KEY_AUDIO },	/* Snapshot */
 	{ 0x38, KEY_TV },	/* TV/Radio */
-	{ 0x0c, KEY_ESC }	/* upper Red buttton */
+	{ 0x0c, KEY_ESC }	/* upper Red button */
 };
 
 static struct rc_map_dvb_usb_table_table keys_tables[] = {