Add stub header files for X86 mario.

BUG=chrome-os-partner:3895
TEST=Build u-boot for x86-mario and see the build get past errors about not
finding these header files.

Change-Id: I66a486c37785640462a699e00973fbde0bc8877b
Reviewed-on: http://gerrit.chromium.org/gerrit/1333
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
25 files changed