drm/amd/pm: Add support for reset completion on aldebaran

v1: On aldebaran, after hardware context restore, another handshake
needs to happen with PMFW so that reset recovery is complete from
PMFW side. Treat this as RESET_COMPLETE event for aldebaran.

v2: Cleanup coding style, info logs

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>