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>

arch/arm/common/scoop.c

@@ -82,7 +82,7 @@ static int scoop_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
 	struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio);
 
-	/* XXX: I'm usure,  but it seems so */
+	/* XXX: I'm unsure, but it seems so */
 	return ioread16(sdev->base + SCOOP_GPRR) & (1 << (offset + 1));
 }