Patch merged into coreboot/master: 7f5897a Do CAR variable migration only once

the following patch was just integrated into master:
commit 7f5897a1c5bcd6062169368b827975faa9feeebf
Author: Aaron Durbin 
Date:   Fri Jun 21 18:02:26 2013 +0300

Do CAR variable migration only once

Non-S3 resume paths of sandy/ivybridge call cbmem_initialize()
    more than once. Doing car_migrate_variables() more than twice caused
    at least loss of some lines in CBMEM console.

Change-Id: Idd14aba9384984aa3a7d38937a4b3572aa5dc088
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: http://review.coreboot.org/3512
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See http://review.coreboot.org/3512 for details.

-gerrit