mtrr: add rom caching comment about hyperthreads

Explicitly call out the effects of hyperthreads running the
MTRR code and its impact on the enablement of ROM caching.

Change-Id: I14b8f3fdc112340b8f483f2e554c5680576a8a7c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/3018
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

0 files changed, 0 insertions, 0 deletions