Add "aspeed,vhub-downstream-ports" and "aspeed,vhub-generic-endpoints"
properties to describe supported number of vhub ports and endpoints.
Signed-off-by: NTao Ren <rentao.bupt@gmail.com>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: NJoel Stanley <joel@jms.id.au>
Signed-off-by: NFelipe Balbi <balbi@kernel.org>