win,build: scope NASM warning to only x64 and x86

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

Author: jkunkee

configure.py

@@ -742,7 +742,7 @@ def get_gas_version(cc):
 # quite prepared to go that far yet.
 def check_compiler(o):
   if sys.platform == 'win32':
-    if not options.openssl_no_asm:
+    if not options.openssl_no_asm and options.dest_cpu in ('x86', 'x64'):
       nasm_version = get_nasm_version('nasm')
       o['variables']['nasm_version'] = nasm_version
       if nasm_version == 0: