MAINTAINERS: Rework entry for Backlight

- Add Daniel Thompson as Maintainer.
- Add new files
- Shift Jingoo down the list due to a lack of time.
Signed-off-by: NLee Jones <lee.jones@linaro.org>

MAINTAINERS

@@ -2386,12 +2386,15 @@ S:	Maintained
 F:	drivers/net/wireless/broadcom/b43legacy/
 
 BACKLIGHT CLASS/SUBSYSTEM
-M:	Jingoo Han <jingoohan1@gmail.com>
 M:	Lee Jones <lee.jones@linaro.org>
+M:	Daniel Thompson <daniel.thompson@linaro.org>
+M:	Jingoo Han <jingoohan1@gmail.com>
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git
 S:	Maintained
 F:	drivers/video/backlight/
 F:	include/linux/backlight.h
+F:	include/linux/pwm_backlight.h
+F:	Documentation/devicetree/bindings/leds/backlight
 
 BATMAN ADVANCED
 M:	Marek Lindner <mareklindner@neomailbox.ch>