google/poppy: Add new board

Add poppy board files using kabylake and FSP 2.0.

BUG=chrome-os-partner:60713
BRANCH=None
TEST=Compiles successfully

Change-Id: Ic9aa5093b319690ae893a21cab98d9b843000e6c
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17866
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
28 files changed