Patch merged into coreboot/master: e5d5942 cygnus: enable mmu

the following patch was just integrated into master:
commit e5d5942e153a54e192644300e8dd94d53bdc2583
Author: Daisuke Nojiri 
Date:   Tue Feb 17 13:43:35 2015 -0800

cygnus: enable mmu

this is not only for speed but also preventing the cpu from crashing.
    the cpu is not happy when cache is cleaned without mmu turned on.

BUG=chrome-os-partner:36691
    BRANCH=broadcom-firmware
    TEST=boot purin to romstage.

Change-Id: I2445dcc2729798c4fc56fa191cbc8471ef708d08
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 9e35c925b75213e1d35bf191f22c39aaf1726eeb
    Original-Signed-off-by: Daisuke Nojiri 
    Original-Change-Id: Icaf8c506df258edb99413949e6e3089a2b1a91af
    Original-Reviewed-on: https://chrome-internal-review.googlesource.com/199388
    Original-Reviewed-by: Julius Werner 
    Original-Commit-Queue: Daisuke Nojiri 
    Original-Tested-by: Daisuke Nojiri 
    Original-Reviewed-on: https://chromium-review.googlesource.com/251306
    Reviewed-on: http://review.coreboot.org/9768
    Tested-by: build bot (Jenkins)
    Reviewed-by: Edward O'Callaghan

See http://review.coreboot.org/9768 for details.

-gerrit