soc/tegra: fuse: Update nvmem cell list

Update tegra_fuse_cells with below entries:

 - gcplex-config-fuse:
     Configuration bits for GPU, used to enable/disable write protected
     region used for storing GPU firmware.
 - pdi0:
     Unique per chip public identifier.
 - pdi1:
     Unique per chip public identifier.

Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Signed-off-by: Kartik <kkartik@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>