mb/lowrisc/nexys4ddr: Read RAM information from the config string

Change-Id: I9147eca0b536b6267d58f6e8baa37b6950b35160
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/17710
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed