win,build: add ARM64 support to vcbuild.bat

PR-URL: #25995
Reviewed-By: João Reis <reis@janeasystems.com>

vcbuild.bat

@@ -73,6 +73,7 @@ if /i "%1"=="clean"         set target=Clean&goto arg-ok
 if /i "%1"=="ia32"          set target_arch=x86&goto arg-ok
 if /i "%1"=="x86"           set target_arch=x86&goto arg-ok
 if /i "%1"=="x64"           set target_arch=x64&goto arg-ok
+if /i "%1"=="arm64"         set target_arch=arm64&goto arg-ok
 if /i "%1"=="vs2017"        set target_env=vs2017&goto arg-ok
 if /i "%1"=="noprojgen"     set noprojgen=1&goto arg-ok
 if /i "%1"=="projgen"       set projgen=1&goto arg-ok
@@ -203,7 +204,8 @@ if "%target%"=="Clean" rmdir /S /Q %~dp0deps\icu
 call tools\msvs\find_python.cmd
 if errorlevel 1 goto :exit
 
-if not defined openssl_no_asm call tools\msvs\find_nasm.cmd
+REM NASM is only needed on IA32 and x86_64.
+if not defined openssl_no_asm if "%target_arch%" NEQ "arm64" call tools\msvs\find_nasm.cmd
 if errorlevel 1 echo Could not find NASM, install it or build with openssl-no-asm. See BUILDING.md.
 
 call :getnodeversion || exit /b 1
@@ -314,6 +316,7 @@ set "msbcpu=/m:2"
 if "%NUMBER_OF_PROCESSORS%"=="1" set "msbcpu=/m:1"
 set "msbplatform=Win32"
 if "%target_arch%"=="x64" set "msbplatform=x64"
+if "%target_arch%"=="arm64" set "msbplatform=ARM64"
 if "%target%"=="Build" (
   if defined no_cctest set target=rename_node_bin_win
   if "%test_args%"=="" set target=rename_node_bin_win