mb/google/brya: Add new baseboard hades with variants hades

Add a new baseboard for hades, an Intel RPL based reference design.
Also, add variants for the reference boards hades. This commit is
a stub which only adds the minimum code needed for a successful build.
Need update gpio and memory DQ pins after final shchematic comes out.

BUG=b:269371363
TEST=abuild -a -x -c max -p none -t google/brya -b hades

Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: Ib7fbdf997df8225cc7814a34f8b4e4e04884dbf9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73055
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>

0 files changed, 0 insertions, 0 deletions