[PATCH] ARM: dts: imx53-qsb: Fix gpio button polarity

[Shawn Guo]

On Tue, Mar 01, 2016 at 08:14:02AM +0100, Sascha Hauer wrote:
> The polarity of the gpio buttons is defined to '0' which is
> active high. The buttons are active low though which has been verified by
> testing it and by looking into the schematics. While at it use
> defines rathers than numbers for the key codes.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Applied, thanks.