drm/amd/powerplay: move function get_metrics_table to vega20_ppt

the SmuMetrics_t table is asic related data structure.
so move vega20_ppt file to implement.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
4 files changed