[polly] polly: Fix typos discovered by codespell (PR #124545)

[Christian Clauss via llvm-commits]

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@@ -1494,7 +1494,7 @@ class ScopStmt final {
   /// @param Access  The access to add.
   /// @param Prepend If true, will add @p Access before all other instructions
   ///                (instead of appending it).
-  void addAccess(MemoryAccess *Access, bool Preprend = false);
+  void addAccess(MemoryAccess *Access, bool Prepend = false);
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cclauss wrote:

Code change: Extra review, please.

This change aligns with the spelling at:
https://github.com/llvm/llvm-project/blob/d7e561b913d2a75c7c1807bf1c1e0bddc270a2b3/polly/lib/Analysis/ScopInfo.cpp#L1127

https://github.com/llvm/llvm-project/pull/124545