ARM: dt: tegra: Enable headset autodetection on PAZ00 board.

This patch is adding device tree support of headset autodetection on PAZ00 board.
Signed-off-by: Leon Romanovsky <leon@leon.nu>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/tegra-paz00.dts

@@ -64,6 +64,7 @@ sound {
 
 		nvidia,audio-codec = <&alc5632>;
 		nvidia,i2s-controller = <&tegra_i2s1>;
+		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
 	};
 
 	serial@70006000 {