MAINTAINERS: Use Lee Jones' kernel.org address for Backlight submissions

Going forward, I'll be using my kernel.org for upstream work.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>

MAINTAINERS

@@ -3409,7 +3409,7 @@ W:	https://wireless.wiki.kernel.org/en/users/Drivers/b43
 F:	drivers/net/wireless/broadcom/b43legacy/
 BACKLIGHT CLASS/SUBSYSTEM
-M:	Lee Jones <lee.jones@linaro.org>
+M:	Lee Jones <lee@kernel.org>
 M:	Daniel Thompson <daniel.thompson@linaro.org>
 M:	Jingoo Han <jingoohan1@gmail.com>
 L:	dri-devel@lists.freedesktop.org