MdePkg/SmBios.h: SMBIOS 3.3.0 Update Intel Persistent Memory string

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2305

Memory Device (Type 17):
- SMBIOSCR00179: update the string for Intel persistent memory

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>

MdePkg/Include/IndustryStandard/SmBios.h

@@ -1753,6 +1753,10 @@ typedef enum {
   MemoryTechnologyNvdimmN                   = 0x04,
   MemoryTechnologyNvdimmF                   = 0x05,
   MemoryTechnologyNvdimmP                   = 0x06,
+  //
+  // This definition is updated to represent Intel
+  // Optane DC Presistent Memory in SMBIOS spec 3.3.0
+  //
   MemoryTechnologyIntelPersistentMemory     = 0x07
 } MEMORY_DEVICE_TECHNOLOGY;