siemens/mc_apl1: Activate ECC for DRAM
This mainboard is equipped with DDR3L modules which support ECC. The
BWG says that for activating ECC the FSP-M parameter MemoryDown must be
set to 5.
Change-Id: Idc68df1e2bae2396c9b9788d4a026a75b7d9119b
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/20634
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>