drm/amdgpu/powerplay: fix spelling in amdgpu_powerplay.h

and update a comment as well.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-10-14 11:27:15 -04:00
commit cf35c7ca3d