drm/amdgpu: fix hive reference leak when reflecting psp topology info

Hives that require psp topology info to be reflected will leak hive
reference so fix it.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>