[Hexagon] Fix typo. NFC

Testing git push access.

lib/Target/Hexagon/HexagonVectorLoopCarriedReuse.cpp

@@ -235,7 +235,7 @@ namespace {
     Instruction *Inst2Replace = nullptr;
 
     // In the new PHI node that we'll construct this is the value that'll be
-    // used over the backedge. This is teh value that gets reused from a
+    // used over the backedge. This is the value that gets reused from a
     // previous iteration.
     Instruction *BackedgeInst = nullptr;
     std::map<Instruction *, DepChain *> DepChains;