ARM: dts: stm32: Enable STMPE1600 gpio expander of STM32F429-EVAL board

Enable STMPE1600 gpio expander of STM32F429-EVAL board.
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32429i-eval.dts

@@ -164,6 +164,23 @@ &i2c1 {
 	pinctrl-0 = <&i2c1_pins>;
 	pinctrl-names = "default";
 	status = "okay";
+
+	stmpe1600: stmpe1600@42 {
+		compatible = "st,stmpe1600";
+		reg = <0x42>;
+		irq-gpio = <&gpioi 8 0>;
+		irq-trigger = <3>;
+		interrupts = <8 3>;
+		interrupt-parent = <&exti>;
+		interrupt-controller;
+		wakeup-source;
+
+		stmpegpio: stmpe_gpio {
+			compatible = "st,stmpe-gpio";
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+	};
 };
 
 &iwdg {