kleidiai: add data type check to get_tensor_traits (llama/20639)

kleidiai: add data type check to get_tensor_traits (llama/20639)

* kleidiai: add data type check to get_tensor_traits

 * Added check for F16 data type into get_tensor_traits path with input data
   not in ggml_backend_cpu_kleidiai_buffer_type format (unsupported for Q4/8)

Signed-off-by: Martin Klacer <redacted>
Change-Id: I9aca4b9b8d669d35db6f1dbcc4e080b1919b1de7

* updated ggml/src/ggml-cpu/kleidiai/kleidiai.cpp

updated kleidiai.cpp file as per suggestion

Co-authored-by: Georgi Gerganov <redacted>
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Signed-off-by: Martin Klacer <redacted>
Co-authored-by: Georgi Gerganov <redacted>