MdePkg BaseSynchronizationLib: Convert X64/InterlockedCompareExchange16.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/InterlockedCompareExchange16.asm to X64/InterlockedCompareExchange16.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>

MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf

@@ -64,6 +64,7 @@
   X64/InterlockedCompareExchange64.asm | INTEL
   X64/InterlockedCompareExchange32.nasm| INTEL
   X64/InterlockedCompareExchange32.asm | INTEL
+  X64/InterlockedCompareExchange16.nasm| INTEL
   X64/InterlockedCompareExchange16.asm | INTEL
   
   X64/InterlockedDecrement.c | MSFT 

MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.nasm

@@ -0,0 +1,42 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR>
+; This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   InterlockedCompareExchange16.Asm
+;
+; Abstract:
+;
+;   InterlockedCompareExchange16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; InterlockedCompareExchange16 (
+;   IN      UINT16                    *Value,
+;   IN      UINT16                    CompareValue,
+;   IN      UINT16                    ExchangeValue
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalSyncCompareExchange16)
+ASM_PFX(InternalSyncCompareExchange16):
+    mov     ax, dx
+    lock    cmpxchg [rcx], r8w
+    ret
+