Vendor DRAM code actually writes to whole CR register and not just sets
bit 31 in mctl_ctrl_init().
Just to be safe, do that here too.
Acked-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>