ARM: dts: tegra: fix the activate polarity of cd-gpio in mmc host

The GPIO pin of SD slot card detection should active low.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index 5d79e4f..98f3e44 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -325,7 +325,7 @@
 
 	sdhci@c8000600 {
 		status = "okay";
-		cd-gpios = <&gpio 121 0>; /* gpio PP1 */
+		cd-gpios = <&gpio 121 1>; /* gpio PP1 */
 		wp-gpios = <&gpio 122 0>; /* gpio PP2 */
 		bus-width = <4>;
 	};