MCA supports recording umc address information.

V2:
  Move err_addr variable from struct ras_err_node to
struct ras_err_info.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>