feat: cherry-pick PR ggml-org#12794 (OuteTTS 1.0 native TTS support)

squash-merge of ggml-org/llama.cpp PR ggml-org#12794 onto main.
adds llama-tts-outetts-v1 binary for native text-to-speech
using OuteTTS 1.0 model with WavTokenizer vocoder.
files moved from examples/tts/ to tools/tts/ to match upstream rename.

Author: OpenClaw Bot

tools/tts/CMakeLists.txt

@@ -1,8 +1,13 @@
-set(TARGET llama-tts)
-add_executable(${TARGET} tts.cpp)
-target_link_libraries(${TARGET} PRIVATE llama common ${CMAKE_THREAD_LIBS_INIT})
-target_compile_features(${TARGET} PRIVATE cxx_std_17)
+set(TARGET_1 llama-tts-outetts-v1)
+add_executable(${TARGET_1} tts-outetts-v1.cpp)
+target_link_libraries(${TARGET_1} PRIVATE llama common ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET_1} PRIVATE cxx_std_17)
+
+set(TARGET_2 llama-tts)
+add_executable(${TARGET_2} tts.cpp)
+target_link_libraries(${TARGET_2} PRIVATE llama common ${CMAKE_THREAD_LIBS_INIT})
+target_compile_features(${TARGET_2} PRIVATE cxx_std_17)
 
 if(LLAMA_TOOLS_INSTALL)
-    install(TARGETS ${TARGET} RUNTIME)
+    install(TARGETS ${TARGET_1} ${TARGET_2} RUNTIME)
 endif()