Change in coreboot[master]: purism/librem13v2: Add memory init code

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/19884 )

Change subject: purism/librem13v2: Add memory init code
......................................................................

Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/10062/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/54332/ : SUCCESS