1.change function return value type: from "unallowed" to "allowed"
2.replace feature mask number with feature macro, the code will clear.
Signed-off-by: NKevin Wang <kevin1.wang@amd.com>
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Reviewed-by: NKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>