ARM: tegra: convert dts files of Tegra20 platforms to use pinctrl defines

Use Tegra pinconrol dt-binding macro to set the values of different pinmux
properties of Tegra20 platforms.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts
index 274d252..8cfb83f 100644
--- a/arch/arm/boot/dts/tegra20-iris-512.dts
+++ b/arch/arm/boot/dts/tegra20-iris-512.dts
@@ -15,23 +15,23 @@
 	pinmux@70000014 {
 		state_default: pinmux {
 			hdint {
-				nvidia,tristate = <0>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 
 			i2cddc {
-				nvidia,tristate = <0>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 
 			sdio4 {
-				nvidia,tristate = <0>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 
 			uarta {
-				nvidia,tristate = <0>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 
 			uartd {
-				nvidia,tristate = <0>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 		};
 	};