Some gpio-leds need retain the state even in suspend, such as charger led.
But this property missed in devicetree, add it.
(cooloney@gmail.com: fold DT binding updates into this patch)
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Merely reorganizing documentation. No functional changes. It makes more
sense for the gpio-leds binding to be grouped with other led bindings
than with gpio drivers.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>