message: [Xcode project] Fix path to LLVM libraries
diff: __info_plist,
  "$(PROJECT_DIR)/tools/driver/lldb-Info.plist",
  "-Wl,-rpath,@loader_path/../../../System/Library/PrivateFrameworks",
  - "-L$(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib",
  + "-L$(LLVM_BUILD_DIR)/lib",
  "-lLLVMOption",
  "-lLLVMSupport",
  "-lLLVMDemangle",
  "-sectcreate",
  __TEXT,
  __info_plist,
  - "-L$(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib",
  + "-L$(LLVM_BUILD_DIR)/lib",
  "-lLLVMOption",
  "-lLLVMSupport",
  "-lLLVMDemangle",
  __info_plist,
  "$(PROJECT_DIR)/tools/driver/lldb-Info.plist",
  "-Wl,-rpath,@loader_path",
  - "-L$(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib",
  + "-L$(LLVM_BUILD_DIR)/lib",
  "-lLLVMOption",
  "-lLLVMSupport",
  "-lLLVMDemangle",
  Carbon,
  "-framework",
  Security,
  - "-L$(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib",
  + "-L$(LLVM_BUILD_DIR)/lib",
  "-lLLVMOption",
  "-lLLVMSupport",
  "-lLLVMDemangle",
  "$(PROJECT_DIR)/tools/driver/lldb-Info.plist",
  "-Wl,-rpath,@loader_path",
  "-Wl,-rpath,@loader_path/../../System/Library/PrivateFrameworks",
  - "-L$(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib",
  + "-L$(LLVM_BUILD_DIR)/lib",
  "-lLLVMOption",
  "-lLLVMSupport",
  "-lLLVMDemangle",
  