Patch merged into coreboot/master: util/release: extend release script

the following patch was just integrated into master:
commit 68e3f6dd371ced6963802295e1e176dca5729d2f
Author: Patrick Georgi 
Date:   Fri Jan 29 23:02:56 2016 +0100

util/release: extend release script

Add the ability to release a given commit id, and normalize the tarballs
    to use coreboot/1000 for owner and group, and the last commit date as
    mtime for all files.

Change-Id: Ia349f429090fe9804f7f14c226812646e2f712be
    Signed-off-by: Patrick Georgi 
    Reviewed-on: https://review.coreboot.org/13514
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/13514 for details.

-gerrit