Patch merged into coreboot/master: device: remove unused x86 include from common code

the following patch was just integrated into master:
commit b538a69936fa6467a59f92ff965a97f814567035
Author: Stefan Reinauer 
Date:   Wed Jul 8 23:25:17 2015 +0200

device: remove unused x86 include from common code

The include breaks compilation on ARM with clang.

Change-Id: I1ce0d58dbcbb8785c23739670c8c9574c329a81c
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/10858
    Reviewed-by: Patrick Georgi 
    Tested-by: build bot (Jenkins)

See http://review.coreboot.org/10858 for details.

-gerrit