GPU board and Baseboard temperatures come from system metrics table.
Driver keeps separate metrics table for both. Use the new driver table
structure to represent them.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>