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/board/beacon/beacon-rzg2m/MAINTAINERS b/board/beacon/beacon-rzg2m/MAINTAINERS
new file mode 100644
index 0000000..3383a68
--- /dev/null
+++ b/board/beacon/beacon-rzg2m/MAINTAINERS
@@ -0,0 +1,6 @@
+BEACON_RZG2M BOARD
+M:	Adam Ford <aford173@gmail.com>
+S:	Maintained
+F:	board/beacon/beacon-rzg2m/
+F:	include/configs/beacon-rzg2m.h
+F:	configs/r8a774a1_beacon_defconfig