[Triton-MLIR] Fix some typos (#874)

Fix some typos

lib/Analysis/Alias.cpp

@@ -44,7 +44,7 @@ ChangeResult SharedMemoryAliasAnalysis::visitOperation(
   if (pessimistic) {
     return markAllPessimisticFixpoint(op->getResults());
   }
-  // Join all latice elements
+  // Join all lattice elements
   ChangeResult result = ChangeResult::NoChange;
   for (Value value : op->getResults()) {
     result |= getLatticeElement(value).join(aliasInfo);

lib/Analysis/Allocation.cpp

@@ -235,7 +235,7 @@ private:
     }
   }
 
-  /// Extends the liveness range by unioning the liveness range of the aliased
+  /// Extends the liveness range by unionizing the liveness range of the aliased
   /// values because each allocated buffer could be an alias of others, if block
   /// arguments are involved.
   void resolveAliasBufferLiveness(