ARM: tegra: apalis_t30: use proper irq-gpio for stmpe811

Use proper irq-gpio for stmpe811 touch controller.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra30-apalis.dtsi

@@ -975,8 +975,7 @@ ldo8_reg: ldo8 {
 		stmpe811@41 {
 			compatible = "st,stmpe811";
 			reg = <0x41>;
-			interrupts = <TEGRA_GPIO(V, 0) IRQ_TYPE_LEVEL_LOW>;
-			interrupt-parent = <&gpio>;
+			irq-gpio = <&gpio TEGRA_GPIO(V, 0) IRQ_TYPE_LEVEL_LOW>;
 			interrupt-controller;
 			id = <0>;
 			blocks = <0x5>;