board: ge: bx50v3: Enable CONFIG_DM_SPI, CONFIG_DM_SPI_FLASH

Use SPI flash device model, and remove SPI pin configuration code since
the pinctrl driver is used.

Signed-off-by: Ian Ray <ian.ray@ge.com>
diff --git a/arch/arm/dts/imx6q-bx50v3.dts b/arch/arm/dts/imx6q-bx50v3.dts
index 0fff219..deaec63 100644
--- a/arch/arm/dts/imx6q-bx50v3.dts
+++ b/arch/arm/dts/imx6q-bx50v3.dts
@@ -8,6 +8,7 @@
 /dts-v1/;
 
 #include "imx6q.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "General Electric Bx50v3";
@@ -17,6 +18,16 @@
 &iomuxc {
 	pinctrl-names = "default";
 
+	pinctrl_ecspi1: ecspi1grp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D17__ECSPI1_MISO	0x100b1
+			MX6QDL_PAD_EIM_D18__ECSPI1_MOSI	0x100b1
+			MX6QDL_PAD_EIM_D16__ECSPI1_SCLK	0x100b1
+			/* SPI1 CS */
+			MX6QDL_PAD_EIM_EB2__GPIO2_IO30	0x1b0b0
+		>;
+	};
+
 	pinctrl_usdhc3: usdhc3grp {
 		fsl,pins = <
 			MX6QDL_PAD_SD3_CMD__SD3_CMD	0x17059
@@ -60,3 +71,19 @@
 &usdhc4 {
 	status = "disabled";
 };
+
+/* SPI NOR */
+&ecspi1 {
+	cs-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi1>;
+	status = "okay";
+
+	flash: n25q032@0 {
+		compatible = "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+};