As no more mainboards are utilizing this SoC support code remove
it. It can be resurrected if ever needed.
BUG=chrome-os-partner:55932
Change-Id: Ic3caf6e6c9b62d012679b996abaa525c8bf679a9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16108
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>