This add the initial support of the broadcom reference
board bcm968380gerg with a bcm68380 SoC.
This board has 512 MB of RAM, 128 MB of flash (nand),
2 USB port, 1 UART, 4 ethernet ports and BCM43217 (wifi).
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>