Fill in the core VCN 1.0 setup functionality.

v2: squash in fixup (Alex)
Signed-off-by: NLeo Liu <leo.liu@amd.com>
Acked-by: NChunming Zhou <david1.zhou@amd.com>
Acked-by: NHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>