imx: Add support for i.MX8MM Beacon EmbeddedWorks devkit.

Beacon EmbeddedWorks, formerly known as Logic PD, is releasing
a devkit based on the i.MX8M Mini SoC consisting of baseboard +
SOM.

It supports eMMC on the SOM, microSD on the baseboard, various
GPIO, the PINCTRL, and UART.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 1215977..1325134 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -736,6 +736,7 @@
 	imx8mm-verdin.dtb \
 	imx8mn-ddr4-evk.dtb \
 	imx8mq-evk.dtb \
+	imx8mm-beacon-kit.dtb \
 	imx8mq-phanbell.dtb \
 	imx8mp-evk.dtb \
 	imx8mq-pico-pi.dtb