llama : add --no-host to disable host buffers (#16310) #18

Job	Run time
macOS-arm64	2m 10s
ubuntu-22-vulkan	7m 24s
ubuntu-22-cpu (x64, ubuntu-22.04)	3m 56s
windows-cpu (arm64)	2m 58s
windows-cpu (x64)	3m 59s
macOS-x64	6m 37s
windows (opencl-adreno, arm64, -G "Ninja Multi-Config" -D CMAKE_TOOLCHAIN_FILE=cmake/arm64-window...	3m 41s
windows (vulkan, x64, -DGGML_VULKAN=ON, ggml-vulkan)	5m 56s
windows-cuda (12.4)	48m 6s
windows-sycl	11m 8s
windows-hip (radeon, gfx1151;gfx1200;gfx1201;gfx1100;gfx1101;gfx1102;gfx1030;gfx1031;gfx1032)	41m 1s
ios-xcode-build	17m 11s
release	1m 21s
	2h 35m 28s

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