[coreboot-gerrit] Patch merged into coreboot/master: build system: Drop useless variable and dependency

the following patch was just integrated into master:
commit ec90adb2e71b9e654cc1007143aa450c3996b4a8
Author: Patrick Georgi 
Date:   Fri Dec 4 17:45:19 2015 +0100

build system: Drop useless variable and dependency

We don't need COREBOOT_ROM_DEPENDENCIES anymore because the dependencies
    are taken care of by the cbfs-files mechanism. REFCODE_BLOB also doesn't
    need to be an explicit dependency.

Change-Id: I3f32cce79683e57a174724179bc2ac59a8cdda94
    Signed-off-by: Patrick Georgi 
    Reviewed-on: https://review.coreboot.org/12648
    Tested-by: build bot (Jenkins)
    Reviewed-by: Alexander Couzens

See https://review.coreboot.org/12648 for details.

-gerrit