[llvm] [MachO] Move getArchTriple implementation into BinaryFormat. (PR #161468)

[Ahmed Bougacha via llvm-commits]

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@@ -17,6 +17,7 @@
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/SwapByteOrder.h"
+#include "llvm/TargetParser/Triple.h"
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ahmedbougacha wrote:

You can drop the forward-declare at l24 BTW;  I guess having Triple::ArchType be its own forward-declarable type would avoid this and other includes, but one problem at a time!

https://github.com/llvm/llvm-project/pull/161468