libpdbg: Add dimm hardware unit
libpdbg: Add dimm hardware unit

Signed-off-by: Ramesh Iyyar <7f490decf1f819ada2c8e3afddab028d7962dcab@in.ibm.com>
Signed-off-by: Amitay Isaacs <a505e7c038746dbeb3edcd8d146dbd515432801f@ozlabs.org>

open-power/pdbg,open-power/pdbg,open-power/pdbg