mb/hp: Add HP Compaq 8300 Elite SFF

* Add initial board commit based on HP 8200 SFF and HP Z220 SFF.
* Add documentation.

Tested on HP 8300 SFF.

Change-Id: Ib5322acc0210f000b53954e2925549358f86d5c8
Signed-off-by: Michał Zieliński <michal.zielinski@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67666
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Alicja Michalska <ahplka19@gmail.com>

0 files changed, 0 insertions, 0 deletions