[llvm] [NFC] Extract Printing portions of DWARFCFIProgram to new files (PR #143762)

[Igor Kudrin via llvm-commits]

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@@ -34,6 +37,7 @@ class CFIProgram {
 public:
   static constexpr size_t MaxOperands = 3;
   typedef SmallVector<uint64_t, MaxOperands> Operands;
+  friend CFIPrinter;
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igorkudrin wrote:

Is it possible to refactor the code a bit more deeply so that the printer accesses only the public methods of the class?

https://github.com/llvm/llvm-project/pull/143762