This iterates thru all cache levels and cleans + invalidates all
data and unified caches before disabling dcache and MMU.
Change-Id: I8a671b4c90d7b88b8d0a95947bfa17f912cebaa2
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2930
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Tested-by: build bot (Jenkins)