PCIE_INDEX2/DATA2 pair will be used for smn register accessing since from vega.
PCIE_INDEX/DATA pair should be reserved for smu
Signed-off-by: NHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>