ARM: mvebu: add Device Tree for the Armada 385 RD board
The Armada 385 RD board is the reference design board from Marvell
for the Armada 385 SoC. This commit adds a Device Tree description for
this board, which enables the following features:
* Network interfaces
* I2C bus
* Serial port
* SPI bus, with a SPI flash
* PCIe interface
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>