tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/net/hamradio/baycom_ser_fdx.c

@@ -35,7 +35,7 @@
  *          driver only supports standard serial hardware (8250, 16450, 16550A)
  *
  *          This modem usually draws its supply current out of the otherwise unused
- *          TXD pin of the serial port. Thus a contignuous stream of 0x00-bytes
+ *          TXD pin of the serial port. Thus a contiguous stream of 0x00-bytes
  *          is transmitted to achieve a positive supply voltage.
  *
  *  hsk:    This is a 4800 baud FSK modem, designed for TNC use. It works fine