[CodeGen] Fix enumeration value 'HasFakeUses' not handled in switch (NFC)

llvm-project/llvm/lib/CodeGen/MachineFunction.cpp:95:10:
error: enumeration value 'HasFakeUses' not handled in switch [-Werror,-Wswitch]
  switch(Prop) {
         ^~~~
1 error generated.

llvm/lib/CodeGen/MachineFunction.cpp

@@ -94,6 +94,7 @@ static const char *getPropertyName(MachineFunctionProperties::Property Prop) {
   // clang-format off
   switch(Prop) {
   case P::FailedISel: return "FailedISel";
+  case P::HasFakeUses: return "HasFakeUses";
   case P::IsSSA: return "IsSSA";
   case P::Legalized: return "Legalized";
   case P::NoPHIs: return "NoPHIs";