danube: prepare SOC directory for urara

These modules are necessary to resolve external names when building
the board image. These are just skeletons for now which will be filled
later.

BUG=chrome-os-partner:31438
TEST=when config is enabled, emerge-urara coreboot succeeds. more
     extensive testing to come later

Change-Id: I0fcb5d33187172ecac77041425402b33e89e8944
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 94ec79b0ab872f5c5fe7db5bef5fdabf77d6b3b6
Original-Change-Id: I69cc178976a910ebf8031ed9ac9ad67b4cc0878a
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/215678
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8763
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
4 files changed