cosmos: add template for soc and board files

cosmos: add template for soc and board files

This adds board and soc files as a template for cosmos.

BUG=chrome-os-partner:32772
BRANCH=none
TEST=Built coreboot for cosmos and veyron_pinky.
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Change-Id: I6e17058afaa629c6aa70c2d195230dba782af526
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fd9dbcf1023a79921c8501bbe09969d65ca9e742
Original-Change-Id: I676bdf460f5dd996dcce1fc422a69882798bc112
Original-Reviewed-on: https://chromium-review.googlesource.com/222050
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: http://review.coreboot.org/9351
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>