ShellPkg: Add Persistent Memory support in 'memmap' command

As per ECR 1416, latest UEFI Shell 2.2 Specification has added Persistent
Memory support in 'memmap' command.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Tapan Shah <tapandshah@hpe.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
2 files changed