imx: Add support for i.MX8MN Beacon EmbeddedWorks devkit.

Beacon EmbeddedWorks is releasing a devkit based on the i.MX8M
Nano SoC consisting of baseboard + SOM.

The kit is based on the same design as the Beacon dev kit with
the i.MX8M Mini.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/beacon/imx8mn/Kconfig b/board/beacon/imx8mn/Kconfig
new file mode 100644
index 0000000..6ed17c0
--- /dev/null
+++ b/board/beacon/imx8mn/Kconfig
@@ -0,0 +1,18 @@
+if TARGET_IMX8MN_BEACON
+
+config SYS_BOARD
+	default "imx8mn"
+
+config SYS_VENDOR
+	default "beacon"
+
+config SYS_CONFIG_NAME
+	default "imx8mn_beacon"
+
+config IMX8MN_FORCE_NOM_SOC
+	bool "Force to use nominal mode for SOC and ARM"
+	default n
+
+source "board/freescale/common/Kconfig"
+
+endif