Lenovo X60: Native VGA init: Get rid of the memory corruptions.

Without that fix the GTT points at 0x00000000.

The patch was made by Peter Stuge, I just split it
  and added a commit message.

Change-Id: Ia378b600ba2faf00d42635c6503b94ff0cb1bc8c
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Reviewed-on: http://review.coreboot.org/4002
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed