Patch merged into coreboot/master: arch/x86: make dependency explicit

the following patch was just integrated into master:
commit ef0158ec90b5828b8b862deee614fde61c81d4b5
Author: Patrick Georgi 
Date:   Mon Jul 27 17:47:55 2015 +0200

arch/x86: make dependency explicit

bootblock.inc requires config.h to be around which may need to be
    created. Have make be aware of it.

Change-Id: I79ad003b461d7da7a5afecdae55fdd07ba735821
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/11057
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin 
    Reviewed-by: Paul Menzel

See http://review.coreboot.org/11057 for details.

-gerrit