Patch merged into coreboot/master: 85756c1 devicetree: Drop dummy root_dev ops

the following patch was just integrated into master:
commit 85756c14e9966aa77a06720fcae829329690783c
Author: Kyösti Mälkki 
Date:   Fri Feb 6 09:15:52 2015 +0200

devicetree: Drop dummy root_dev ops

This is just dead code.

Should we decide that we want some of these calls made, they would
    be implemented in the mainboard context.

Change-Id: I1f097c8da722f3afab9aa1c80b96590c7ca457d5
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: http://review.coreboot.org/8532
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/8532 for details.

-gerrit