MAINTAINERS: Add additional co-maintainer to LEDs

Add myself as co-maintainer for the LED subsystem,
in support of Pavel during busy times.
Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Lee Jones <lee@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

MAINTAINERS

@@ -11555,6 +11555,7 @@ F:	scripts/leaking_addresses.pl
 
 LED SUBSYSTEM
 M:	Pavel Machek <pavel@ucw.cz>
+M:	Lee Jones <lee@kernel.org>
 L:	linux-leds@vger.kernel.org
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git