added torchao debug xcconfig

Author: hinriksnaer

examples/demo-apps/apple_ios/LLaMA/torchao_debug.xcconfig

@@ -0,0 +1,34 @@
+
+ET_PLATFORM[sdk=iphonesimulator*] = simulator
+ET_PLATFORM[sdk=iphoneos*] = ios
+ET_PLATFORM[sdk=macos*] = macos
+
+// Link the Debug version of ExecuTorch runtime to keep the logs.
+// Switch to Release for better performance if logs are not needed.
+OTHER_LDFLAGS = $(inherited) \
+    -force_load $(BUILT_PRODUCTS_DIR)/libexecutorch_$(ET_PLATFORM).a \
+    -force_load $(BUILT_PRODUCTS_DIR)/libbackend_coreml_$(ET_PLATFORM).a \
+    -framework Foundation \
+    -framework CoreML \
+    -framework Accelerate \
+    -framework Metal \
+    -framework MetalPerformanceShaders \
+    -framework MetalPerformanceShadersGraph \
+    -force_load $(BUILT_PRODUCTS_DIR)/libbackend_mps_$(ET_PLATFORM).a \
+    -force_load $(BUILT_PRODUCTS_DIR)/libbackend_xnnpack_$(ET_PLATFORM).a \
+    -force_load $(BUILT_PRODUCTS_DIR)/libkernels_custom_$(ET_PLATFORM).a \
+    -force_load $(BUILT_PRODUCTS_DIR)/libkernels_optimized_$(ET_PLATFORM).a \
+    -force_load $(BUILT_PRODUCTS_DIR)/libkernels_quantized_$(ET_PLATFORM).a \
+    -force_load $(BUILT_PRODUCTS_DIR)/libkernels_torchao_$(ET_PLATFORM).a \
+    -lsqlite3 \
+    @$(TEMP_DIR)/cmake/linker_flags
+
+// LLaMARunner requires additional dependencies built with CMake in a custom run script phase.
+// Include headers and libraries from $(TEMP_DIR)/cmake for it.
+HEADER_SEARCH_PATHS = $(inherited) \
+    $(SRCROOT)/../../../../.. \
+    $(TEMP_DIR)/cmake/include \
+    $(SRCROOT)/../../../../extension/llm/tokenizers/include
+
+LIBRARY_SEARCH_PATHS = $(inherited) \
+    $(TEMP_DIR)/cmake/lib