[Build] Onnx runtime build from source feature request "support onnxruntime-qnn on Linux"

### Describe the issue

I am trying to work on QCOM SBC that has Linux support and QNN. Is there a way to support building onnxruntime from source with qnn on linux?



### Urgency

_No response_

### Target platform

QCS6490

### Build script

N/A

### Error / output

Have not attempted yet

### Visual Studio Version

_No response_

### GCC / Compiler Version

_No response_