REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2716 Add definitions for ACPI NVDIMM Device Path following UEFI spec. Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <liming.gao@intel.com> Signed-off-by: James Anandraj <james.sushanth.anandraj@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>