BaseTools: Add ConvertMasmToNasm.py script

This script is intended to assist with MASM to NASM syntax
conversions.

The output should be manually inspected and adjusted as needed, since
this script does not provide a perfect conversion.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
OvmfPkg Sec: Convert Ia32/SecEntry.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/SecEntry.asm to Ia32/SecEntry.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
OvmfPkg Sec: Convert X64/SecEntry.asm to NASM

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

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
OvmfPkg LoadLinuxLib: Convert Ia32/JumpToKernel.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/JumpToKernel.asm to Ia32/JumpToKernel.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
OvmfPkg LoadLinuxLib: Convert X64/JumpToKernel.asm to NASM

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

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
OvmfPkg QemuFwCfgLib: Convert Ia32/IoLibExAsm.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/IoLibExAsm.asm to Ia32/IoLibExAsm.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
OvmfPkg QemuFwCfgLib: Convert X64/IoLibExAsm.asm to NASM

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

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