northbridge/intel/i440bx: Move NB macro to i440bx.h

This move makes the NB macro more widely available,
in preparation for implementing get_top_of_ram().

Change-Id: Icd8e82cfdfdccb662b2139d0e5d1d5af72cbae7f
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/20675
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>

0 files changed, 0 insertions, 0 deletions