[Modules] Mark CFProtectionOptions.def as a textual header because it is used for x-macro purposes. (llvm#110780)

Author: vsapsai

clang/include/module.modulemap

@@ -65,6 +65,7 @@ module Clang_Basic {
   textual header "clang/Basic/BuiltinsX86.def"
   textual header "clang/Basic/BuiltinsX86_64.def"
   textual header "clang/Basic/BuiltinsXCore.def"
+  textual header "clang/Basic/CFProtectionOptions.def"
   textual header "clang/Basic/CodeGenOptions.def"
   textual header "clang/Basic/DebugOptions.def"
   textual header "clang/Basic/DiagnosticOptions.def"