ARM: dts: imx25-pdk: Add touchscreen support

Add support for the built-in touchscreen controller present on MX25.
Signed-off-by: NFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx25-pdk.dts

@@ -295,6 +295,14 @@
 	status = "okay";
 };
 
+&tsc {
+	status = "okay";
+};
+
+&tscadc {
+	status = "okay";
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;