Fix build with CONFIG_DEBUG_RAM_SETUP on Intel 440BX, use printk().

It's a good thing to use printk() instead of print_*() anyway
on 440BX (and other chipsets which have been converted to CAR).

Build tested and boot-tested on ASUS P2B-LS.

Signed-off-by: Keith Hui <buurin@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6206 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1