MdePkg BaseLib: Convert X64/WriteGdtr.asm to NASM

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

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 3de83e9..54db21c 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -517,6 +517,7 @@
   X64/WriteIdtr.asm | MSFT

   X64/ReadIdtr.nasm| MSFT

   X64/ReadIdtr.asm | MSFT

+  X64/WriteGdtr.nasm| MSFT

   X64/WriteGdtr.asm | MSFT

   X64/ReadGdtr.asm | MSFT

   X64/ReadTr.asm | MSFT

@@ -625,6 +626,7 @@
   X64/WriteIdtr.asm | INTEL

   X64/ReadIdtr.nasm| INTEL

   X64/ReadIdtr.asm | INTEL

+  X64/WriteGdtr.nasm| INTEL

   X64/WriteGdtr.asm | INTEL

   X64/ReadGdtr.asm | INTEL

   X64/ReadTr.asm | INTEL

diff --git a/MdePkg/Library/BaseLib/X64/WriteGdtr.nasm b/MdePkg/Library/BaseLib/X64/WriteGdtr.nasm
new file mode 100644
index 0000000..36760b5
--- /dev/null
+++ b/MdePkg/Library/BaseLib/X64/WriteGdtr.nasm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------

+;

+; Copyright (c) 2006, Intel Corporation. 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:

+;

+;   WriteGdtr.Asm

+;

+; Abstract:

+;

+;   AsmWriteGdtr function

+;

+; Notes:

+;

+;------------------------------------------------------------------------------

+

+    DEFAULT REL

+    SECTION .text

+

+;------------------------------------------------------------------------------

+; VOID

+; EFIAPI

+; InternalX86WriteGdtr (

+;   IN      CONST IA32_DESCRIPTOR     *Idtr

+;   );

+;------------------------------------------------------------------------------

+global ASM_PFX(InternalX86WriteGdtr)

+ASM_PFX(InternalX86WriteGdtr):

+    lgdt    [rcx]

+    ret

+