mb/google/poppy/variants/nami: Add support for nami board

This change adds variant nami derived from baseboard poppy.

BUG=b:70160119

Change-Id: Ic6795d49d3e6e98a32f4af0b621e8bb463041412
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/22703
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
9 files changed