[lld] [llvm] [WebAssembly] Add target architecture to object file format (PR #225979)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- lld/wasm/InputFiles.cpp lld/wasm/SyntheticSections.cpp llvm/include/llvm/BinaryFormat/Wasm.h llvm/include/llvm/ObjectYAML/WasmYAML.h llvm/lib/MC/WasmObjectWriter.cpp llvm/lib/Object/WasmObjectFile.cpp llvm/lib/ObjectYAML/WasmEmitter.cpp llvm/lib/ObjectYAML/WasmYAML.cpp llvm/tools/obj2yaml/wasm2yaml.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/lld/wasm/SyntheticSections.cpp b/lld/wasm/SyntheticSections.cpp
index e4275f1bc..c629ed3cf 100644
--- a/lld/wasm/SyntheticSections.cpp
+++ b/lld/wasm/SyntheticSections.cpp
@@ -155,8 +155,7 @@ void DylinkSection::writeBody() {
 
   {
     SubSection sub(WASM_DYLINK_TARGET_ARCH);
-    writeStr(sub.os,
-             ctx.arg.is64.value_or(false) ? "wasm64" : "wasm32",
+    writeStr(sub.os, ctx.arg.is64.value_or(false) ? "wasm64" : "wasm32",
              "target arch");
     sub.writeTo(os);
   }
@@ -817,8 +816,7 @@ void LinkingSection::writeBody() {
 
   {
     SubSection sub(WASM_TARGET_ARCH);
-    writeStr(sub.os,
-             ctx.arg.is64.value_or(false) ? "wasm64" : "wasm32",
+    writeStr(sub.os, ctx.arg.is64.value_or(false) ? "wasm64" : "wasm32",
              "target arch");
     sub.writeTo(os);
   }

``````````

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https://github.com/llvm/llvm-project/pull/225979