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>

arch/arm/boot/dts/tegra20-whistler.dts

@@ -497,7 +497,7 @@
 
 	pmc {
 		nvidia,invert-interrupt;
-		nvidia,suspend-mode = <2>;
+		nvidia,suspend-mode = <1>;
 		nvidia,cpu-pwr-good-time = <2000>;
 		nvidia,cpu-pwr-off-time = <1000>;
 		nvidia,core-pwr-good-time = <0 3845>;