This adds basic support for LEDs for the max77650 PMIC. The device has
three current sinks for driving LEDs.
Signed-off-by: NBartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: NJacek Anaszewski <jacek.anaszewski@gmail.com>
Acked-by: NPavel Machek <pavel@ucw.cz>
Signed-off-by: NLee Jones <lee.jones@linaro.org>