Functionality to message smc to enable pwe after gpu suspense.
It is used in case when display resumes from S3 and wants to start
audio driver by enabling pwe.
Signed-off-by: NMikita Lipski <mikita.lipski@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>