haswell: drop memory reservation for sandybridge GPU bug

This is not needed in haswell.

Change-Id: I23817c2e01be33855f9d5a5e389e8ccb7954c0e2
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/2847
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed