Add dpm interface to get gpuboard/baseboard temperature metrics
v2: Add temperature metrics support check(Lijo)
v3: Return error code in case of operation not supported(Lijo)
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>