amd/stoneyridge: Increase pre-cbmem console size

The existing stoneyridge pre-cbmem console log contains about 250 bytes
of unused space.  Increase this amount to accomodate any additional
debug messages.

BUG=b:64980233
TEST=Build and boot Kahlee, inspect console log with "cbmem -c"

Change-Id: Ia307795e91d81ff9b2be027916081f6824f90bad
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22953
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed