ARM: dts: msm: Add volume up key configuration for QRD450

Volume up key is connected to GPIO85 on QRD450 device. Add the GPIO key
configuration for it.

Change-Id: I99600274fd34218428c1ad5952ddb89a32289ccf
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
1 file changed