haswell: notes and updates.

Add a FIXME about checking a MCHBAR register that isn't setup yet.
Also, remove revision updating because I can't find anything in the
docs that suggest this is required for haswell.

Change-Id: Ia8a6e08f82e18789e31c6c2ec2c1d63740c18dc4
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2631
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2 files changed