Via the fSMC_MSG_ArmD3 message, PMFW can properly act on the
Dstate change. Driver involvement for determining the timing for
BACO enter/exit is not needed.
Signed-off-by: NEvan Quan <evan.quan@amd.com>
Reviewed-by: NLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>