ARM: mvebu: add Device Tree for the Armada 385 DB board
The Armada 385 DB board is the development 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 buses
* SDIO
* Serial port
* SPI bus, with a SPI flash
* PCIe interfaces
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>