doc: devicetree: Fix various typos

Fix spelling typos in Documentation/devicetree/bindings.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/devicetree/bindings/leds/tca6507.txt b/Documentation/devicetree/bindings/leds/tca6507.txt
index 2b6693b..80ff3df 100644
--- a/Documentation/devicetree/bindings/leds/tca6507.txt
+++ b/Documentation/devicetree/bindings/leds/tca6507.txt
@@ -1,4 +1,4 @@
-LEDs conected to tca6507
+LEDs connected to tca6507
 
 Required properties:
 - compatible : should be : "ti,tca6507".