Patch merged into coreboot/master: intel/sandybridge: initialize variable

the following patch was just integrated into master:
commit 03decc0c5e988ce9af20ebe1e3e52e495251d0a5
Author: Patrick Georgi 
Date:   Tue Jun 30 12:48:45 2015 +0200

intel/sandybridge: initialize variable

Otherwise cache_base may be uninitialized.

Change-Id: Ie91f9567cea24114723a5362f52052d6ec22a6b8
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10724
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/10724 for details.

-gerrit