ARM: dts: am437x-sk: add power button binding

Let this board report KEY_POWER so upper layers
can decide what to do when power button is pressed.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Felipe Balbi 2014-12-26 13:28:23 -06:00 • committed by Tony Lindgren
commit bb1c5fe126