[coreboot] Patch merged into coreboot/master: 4c00556 use acpi.h include instead of manually adding acpi_slp_type.

the following patch was just integrated into master:
commit 4c00556c2f3a2a814c3a484f4ee924c5678037b0
Author: Stefan Reinauer 
Date:   Fri Oct 14 15:18:29 2011 -0700

use acpi.h include instead of manually adding acpi_slp_type.

Change-Id: I2a3aaf10e453fa6cce8a993356f2a0587178209a
    Signed-off-by: Stefan Reinauer

See http://review.coreboot.org/276 for details.

-gerrit