Merge commit '5aba5364d959756c43eccc45596731e7b4eb3aa4' into concedo_experimental

# Conflicts:
#	.github/workflows/build-apple.yml
#	.github/workflows/build-cpu.yml
#	.github/workflows/build-openvino.yml
#	.github/workflows/build-rpc.yml
#	.github/workflows/build-self-hosted.yml
#	.github/workflows/build-vulkan.yml
#	.github/workflows/build-webgpu.yml
#	.github/workflows/server.yml
#	SECURITY.md
#	docs/backend/SYCL.md
#	docs/backend/ZenDNN.md
#	docs/build.md
#	docs/ops.md
#	docs/ops/SYCL.csv
#	ggml/src/ggml-sycl/common.hpp
#	ggml/src/ggml-sycl/convert.cpp
#	ggml/src/ggml-sycl/dequantize.hpp
#	ggml/src/ggml-sycl/dmmv.cpp
#	ggml/src/ggml-sycl/fattn-common.hpp
#	ggml/src/ggml-sycl/getrows.cpp
#	ggml/src/ggml-sycl/ggml-sycl.cpp
#	ggml/src/ggml-sycl/mmvq.cpp
#	ggml/src/ggml-sycl/quants.hpp
#	ggml/src/ggml-sycl/vecdotq.hpp
#	tests/test-reasoning-budget.cpp
#	tools/llama-bench/README.md
#	tools/llama-bench/llama-bench.cpp
#	tools/mtmd/CMakeLists.txt

src/llama.cpp

@@ -249,7 +249,9 @@ static bool llama_prepare_model_devices(const llama_model_params & params, llama
                     }
 
                     case GGML_BACKEND_DEVICE_TYPE_IGPU:
-                        igpus.push_back({false, dev});
+                        if (igpus.empty()) {
+                            igpus.push_back({false, dev});
+                        }
                         break;
                     case GGML_BACKEND_DEVICE_TYPE_META:
                         GGML_ABORT("fatal error");