The Swift BMC is an ASPEED ast2500 based BMC that is part of
a Power9 server. This adds the device tree description for
most upstream components.
Signed-off-by: NAdriana Kobylak <anoo@us.ibm.com>
Reviewed-by: NBrandon Wyman <bjwyman@gmail.com>
Signed-off-by: NJoel Stanley <joel@jms.id.au>