SourceLevelDebugPkg PeCoffExtraActionLibDebug: Convert X64/IntHandler.asm
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/IntHandler.asm to X64/IntHandler.nasm.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>