Clear improper use of CONFIG_CACHE_AS_RAM

Clear improper use of CONFIG_CACHE_AS_RAM

Choice between printk/print_ is related to CAR, but really
depends whether we compiled with GCC or ROMCC.

Change-Id: I9fe831a215736462e8b3f4b96ffe231133ecf79b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/347
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>