Apply clang-tidy fixes for llvm-qualified-auto in OperationSupportTest.cpp (NFC)

Author: joker-eph

mlir/unittests/IR/OperationSupportTest.cpp

@@ -295,9 +295,9 @@ TEST(OperationEquivalenceTest, HashWorksWithFlags) {
   MLIRContext context;
   context.getOrLoadDialect<test::TestDialect>();
 
-  auto op1 = createOp(&context);
+  auto *op1 = createOp(&context);
   // `op1` has an unknown loc.
-  auto op2 = createOp(&context);
+  auto *op2 = createOp(&context);
   op2->setLoc(NameLoc::get(StringAttr::get(&context, "foo")));
   auto getHash = [](Operation *op, OperationEquivalence::Flags flags) {
     return OperationEquivalence::computeHash(