Add local third party components
Local third party components provides a better clarity for KleidiAI library external dependencies.
Commands used to get files: LICENSES/BSD-3-Clause.txt -> reuse download BSD-3-Clause third_party/benchmark-v1.8.4.zip -> wget https://github.com/google/benchmark/archive/refs/tags/v1.8.4.zip third_party/googletest-v.1.14.0.zip -> wget https://github.com/google/googletest/archive/refs/tags/v1.14.0.zip
Signed-off-by: Anton Bondarenko anton.bondarenko@arm.com