Patch merged into coreboot/master: apple/macbook21: Remove unused include `smbios.h`

the following patch was just integrated into master:
commit 3fee215a3e0ee121f5764a4e9fe194b249e42009
Author: Paul Menzel 
Date:   Fri Feb 17 09:01:28 2017 +0100

apple/macbook21: Remove unused include `smbios.h`

Change-Id: I4ed7a164323a71d95a37ea754ec923ca0c5e6219
    Signed-off-by: Paul Menzel 
    Reviewed-on: https://review.coreboot.org/18388
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Rudolph 
    Reviewed-by: Denis 'GNUtoo' Carikli

See https://review.coreboot.org/18388 for details.

-gerrit