Currently, ATU (address translation unit) implementation doesn't
support translate addresses > 32 bits.
This patch allows to configure ATU correctly for different
memory accesses (memory, configuration and IO).
The same approach is used in Linux Kernel.
Signed-off-by: Igal Liberman <igall@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>