Patch merged into coreboot/master: 3dc9128 nehalem/sandy/ivy/haswell: Enable WRPROT cache for all of flash

the following patch was just integrated into master:
commit 3dc9128bf1df9ca0746a69eb7fa2175fa4d5fb03
Author: Kyösti Mälkki 
Date:   Mon Jan 6 11:08:01 2014 +0200

nehalem/sandy/ivy/haswell: Enable WRPROT cache for all of flash

CBFS could start from below 4MB, and should be cacheable for the
    purpose of early microcode update and CBFS search for romstage file.

Change-Id: Ia2a1c6e5fdcc3201fafc8cf5c841cebbbf0b30c9
    Signed-off-by: Kyösti Mälkki

See http://review.coreboot.org/4626 for details.

-gerrit