961ea20155
[why] Value read from SMU is 16 bits, not 32. [How] Fix type, and add wm_type enum in preparation for future interfaces. Signed-off-by: Eric Yang <Eric.Yang2@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>