[llvm] [Xtensa] Implement Xtensa Boolean Option. (PR #126022)

[Matt Arsenault via llvm-commits]

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@@ -42,6 +42,9 @@ class XtensaSubtarget : public XtensaGenSubtargetInfo {
   // Enabled Xtensa Windowed Register Option
   bool HasWindowed;
 
+  // Enabled Boolean Option
+  bool HasBoolean;
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arsenm wrote:

Initialize here (the other existing features also should have initialized here) 

https://github.com/llvm/llvm-project/pull/126022