[coreboot-gerrit] Patch merged into coreboot/master: b558902 util/genbuild_h: work around GNU date

the following patch was just integrated into master:
commit b5589026c7eba0a0aef880e57d10f7134ab1837b
Author: Idwer Vollering 
Date:   Fri Mar 27 00:15:20 2015 +0100

util/genbuild_h: work around GNU date

Confirmed to work on FreeBSD using sh from base and bash from ports.
    Verified to not break M.O. on Linux.

Change-Id: I3bce724c889c7fb760b30b25e9fc0b74620e2c53
    Signed-off-by: Idwer Vollering 
    Reviewed-on: http://review.coreboot.org/9056
    Tested-by: build bot (Jenkins)
    Reviewed-by: Alexander Couzens 
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/9056 for details.

-gerrit