Patch merged into coreboot/master: intel/gma: Fix VBT generation

the following patch was just integrated into master:
commit 808a9c223d2115d1e5ffaf9a55023f153f750180
Author: Patrick Rudolph 
Date:   Wed Mar 30 17:59:09 2016 +0200

intel/gma: Fix VBT generation

The log shows the following error on systems that use the
    native gfx init. The error isn't shown using the VBIOS blob:
    GET_VBIOS: aa55 8086 0 3 0
    VBIOS not found.

Don't shift the class-code, as it's already shifted by the PCI layer.

Tested-on: x220
    Tested-by: Alexander Couzens

Change-Id: I69018940dd51966b45774e0576a1380f90716dce
    Signed-off-by: Patrick Rudolph 
    Reviewed-on: https://review.coreboot.org/14188
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Alexander Couzens

See https://review.coreboot.org/14188 for details.

-gerrit