ram: octeon: Add MIPS Octeon3 DDR4 support (part 1/3)

This Octeon 3 DDR driver is ported from the 2013 Cavium / Marvell U-Boot
repository. It currently supports DDR4 on Octeon 3. It can be later
extended to support also DDR3 and Octeon 2 platforms.

Part 1 adds the base U-Boot RAM driver, which will be instantiated by
the DT based probing.

Signed-off-by: Aaron Williams <awilliams@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed