[coreboot-gerrit] Patch merged into coreboot/master: c5d1791 nvramtool: check for successful seek

the following patch was just integrated into master:
commit c5d179123df5e7d8b72e613935b9e1bd278886f9
Author: Patrick Georgi 
Date:   Sat Aug 9 17:02:00 2014 +0200

nvramtool: check for successful seek

Otherwise the following write might end up anywhere.

Change-Id: Ie42d984824e9308bd58b8bb905b6ea823543adf0
    Found-by: Coverity Scan
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/6560
    Tested-by: build bot (Jenkins)
    Reviewed-by: Edward O'Callaghan 
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/6560 for details.

-gerrit