MdePkg BaseCpuLib: Convert X64/CpuSleep.asm to NASM

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

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

MdePkg/Library/BaseCpuLib/BaseCpuLib.inf

@@ -47,8 +47,10 @@
 [Sources.X64]
   X64/CpuFlushTlb.nasm
   X64/CpuFlushTlb.asm 
+  X64/CpuSleep.nasm
   X64/CpuSleep.asm
 
+  X64/CpuSleep.nasm| GCC
   X64/CpuSleep.S | GCC 
   X64/CpuFlushTlb.nasm| GCC
   X64/CpuFlushTlb.S | GCC 

MdePkg/Library/BaseCpuLib/X64/CpuSleep.nasm

@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------ ;
+; 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:
+;
+;   CpuSleep.Asm
+;
+; Abstract:
+;
+;   CpuSleep function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuSleep (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(CpuSleep)
+ASM_PFX(CpuSleep):
+    hlt
+    ret
+