Patch merged into coreboot/master: payloads: Add a stable version of Memtest86+ for reproducibility

the following patch was just integrated into master:
commit 4005d9b2e42d6d8e70e9fb4b88002b3a69d20bca
Author: Martin Roth 
Date:   Tue Apr 26 09:51:41 2016 -0600

payloads: Add a stable version of Memtest86+ for reproducibility

Memtest86+ was pulling origin/master which will change over time.  This
    adds a commit-id as a stable version to allow it to be reproducible.

The other secondary payloads, coreinfo and nvramcui, do not need this
    because they are part of the coreboot repo and not fetched from an
    external source.

Change-Id: I20c516010f76cf03342bd8883d0ee7ac5f8bc7e4
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/14520
    Tested-by: build bot (Jenkins)
    Reviewed-by: Jonathan Neuschäfer 
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/14520 for details.

-gerrit