ARM: tegra: enable LP1 suspend mode

Enabling the LP1 suspend mode for Tegra devices.

Tested-by: Marc Dietrich <marvin24@gmx.de> # paz00 board
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index 7f8c28d..aab872c 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -494,7 +494,7 @@
 
 	pmc {
 		nvidia,invert-interrupt;
-		nvidia,suspend-mode = <2>;
+		nvidia,suspend-mode = <1>;
 		nvidia,cpu-pwr-good-time = <2000>;
 		nvidia,cpu-pwr-off-time = <100>;
 		nvidia,core-pwr-good-time = <3845 3845>;