drm/amd/powerplay: update arcturus ppsmc header to 54.15.0

two new smc messages added for arcturus with pmfw 54.15.0

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>