[WASM] Skip to cross compile for arm64

Author: kateinoigakukun

utils/build-presets.ini

@@ -2515,6 +2515,7 @@ swift-install-components=autolink-driver;compiler;clang-builtin-headers;stdlib;s
 llvm-install-components=clang
 install-swift
 install-prefix=/%(TOOLCHAIN_NAME)s/usr
+swift-darwin-supported-archs=x86_64
 
 [preset: webassembly-host]