support umc ras function initialization for aldebaran

v2: squash in compile fix
Signed-off-by: NJohn Clements <john.clements@amd.com>
Signed-off-by: NStanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: NGuchun Chen <guchun.chen@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>