[llvm-exegesis][NFC] Fix typo

unittests/tools/llvm-exegesis/X86/SnippetGeneratorTest.cpp

TEST_F(UopsSnippetGeneratorTest, SerialInstruction) {
   EXPECT_THAT(CT.Info, HasSubstr("serial"));
   ASSERT_THAT(CT.Instructions, SizeIs(1));
   const InstructionTemplate &IT = CT.Instructions[0];
   EXPECT_THAT(IT.getOpcode(), Opcode);
   ASSERT_THAT(IT.VariableValues, SizeIs(0));
 }
 
 TEST_F(UopsSnippetGeneratorTest, StaticRenaming) {
-  // CMOVA32rr has tied variables, we enumarate the possible values to execute
+  // CMOVA32rr has tied variables, we enumerate the possible values to execute
   // as many in parallel as possible.
 
   // explicit def 0       : reg RegClass=GR32
   // explicit use 1       : reg RegClass=GR32 | TIED_TO:0
   // explicit use 2       : reg RegClass=GR32
   // implicit use         : EFLAGS
   const unsigned Opcode = llvm::X86::CMOVA32rr;
   const CodeTemplate CT = checkAndGetCodeTemplate(Opcode);