Add Stoney specific code subtree and fix Makefles and Kconfig files. Author: Charles Marslett <charles@scarlettechnologies.com> Original-Signed-off-by: Marc Jones <marcj303@gmail.com> Original-Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Original-Tested-by: Marshall Dawson <marshalldawson3rd@gmail.com> (cherry picked from commit c3a469d11e4676b3b63d11a30955113291d00ec8) Change-Id: Ic4d97a3745f7fc5a637ae6da17a9009b9757136e Signed-off-by: Marc Jones <marcj303@gmail.com> Reviewed-on: https://review.coreboot.org/17217 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>