single or multi rknpu support

[elcky]

Is your enhancement related to a problem? Please describe.
No

Describe the solution you'd like
is there any plan to support rk3588/rk3576 etc. ?

Describe alternatives you've considered

Additional context

[pengjiang80]

Thanks for the suggestion. We do have a plan to support more GPU/NPU hardware. Based on airockchip/rknn-llm#74 and ggml-org/llama.cpp#722, if rknn-llm can be open-sourced or even upstream to llama.cpp, we should be able to support it through llama-box.