ARM: rmobile: Add Beacon EmbeddedWorks RZG2M Dev Kit

The Beacon EmbeddedWorks kit is based on the R8A774A1 SoC also
known as the RZ/G2M.

The kit consists of a SOM + Baseboard and supports microSD,
eMMC, Ethernet, a couple celular radios, two CAN interfaces,
Bluetooth and WiFi.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5726156..f01eb7b 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -774,6 +774,7 @@
 	r8a7794-silk-u-boot.dtb
 
 dtb-$(CONFIG_RCAR_GEN3) += \
+	r8a774a1-beacon-rzg2m-kit.dtb \
 	r8a77950-ulcb-u-boot.dtb \
 	r8a77950-salvator-x-u-boot.dtb \
 	r8a77960-ulcb-u-boot.dtb \