arm64: dts: colibri-imx8x: Add SPI

Add Colibri SPI to the board. lpspi2 is being exposed on the SoM edge.
Add settings to the module-level but finally enable it on the eval-board
dtsi.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi

@@ -36,6 +36,11 @@
 	};
 };
 
+/* Colibri SPI */
+&lpspi2 {
+	status = "okay";
+};
+
 /* Colibri UART_B */
 &lpuart0 {
 	status = "okay";

arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi

@@ -91,6 +91,13 @@
 	};
 };
 
+/* Colibri SPI */
+&lpspi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpspi2>;
+	cs-gpios = <&lsio_gpio1 0 GPIO_ACTIVE_LOW>;
+};
+
 /* On-module eMMC */
 &usdhc1 {
 	bus-width = <8>;