add comments where to split

Utilities/JIT.cpp

@@ -1489,4 +1489,4 @@ u64 jit_compiler::get(const std::string& name)
 	return m_engine->getGlobalValueAddress(name);
 }
 
-#endif
+#endif // LLVM_AVAILABLE

Utilities/JIT.h

@@ -554,4 +554,4 @@ public:
 	static std::string triple2();
 };
 
-#endif
+#endif // LLVM_AVAILABLE

rpcs3/Emu/Cell/SPURecompiler.cpp

@@ -11790,7 +11790,7 @@ std::unique_ptr<spu_recompiler_base> spu_recompiler_base::make_llvm_recompiler(u
 	fmt::throw_exception("LLVM is not available in this build.");
 }
 
-#endif
+#endif // LLVM_AVAILABLE
 
 struct spu_llvm_worker
 {