After FLR, the msix will be cleared, so need to re-enable it.
Signed-off-by: NPeng Ju Zhou <PengJu.Zhou@amd.com>
Signed-off-by: NEmily.Deng <Emily.Deng@amd.com>
Reviewed-by: NLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>