memory : add llama_memory_hybrid_iswa (#18601)

* memory : add llama_memory_hybrid_iswa

* Update src/llama-memory-hybrid-iswa.cpp

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

src/CMakeLists.txt

@@ -24,6 +24,7 @@ add_library(llama
             llama-kv-cache-iswa.cpp
             llama-memory.cpp
             llama-memory-hybrid.cpp
+            llama-memory-hybrid-iswa.cpp
             llama-memory-recurrent.cpp
             llama-mmap.cpp
             llama-model-loader.cpp