drm/amd/powerplay: fix warning of cast to pointer from integer of different size.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2015-11-16 11:24:35 +08:00 • committed by Alex Deucher
commit c9fe74e68b