[coreboot] Patch merged into coreboot/master: 1de5f93 nvramtool: Remove the building warning on older gcc

the following patch was just integrated into master:
commit 1de5f9391147b465bb2d40f9e62466d76b3dc036
Author: Zheng Bao 
Date:   Tue Sep 11 12:13:39 2012 +0800

nvramtool: Remove the building warning on older gcc

Some older gcc requires the default entry in switch, otherwise
    build warning "enumeration value not handled in switch" will come
    up.

Change-Id: Ic8ea9960e4aca599e0ea62ec345122c9df57e766
    Signed-off-by: Zheng Bao 
    Signed-off-by: Zheng Bao

Reviewed-By: Patrick Georgi  at Tue Sep 11 08:32:30 2012, giving +2
See http://review.coreboot.org/1501 for details.

-gerrit