[MIGraphX EP/ ROCm EP] add gfx1200, gfx1201 to CMAKE_HIP_ARCHITECTURES (#22348)
### Description
Add additonal gfx targets for AMD GPU support
### Motivation and Context
Required to integrate mainline onnxruntime support for AMD GPUs
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Co-authored-by: Stefan Sokolovic <stsokolo@amd.com>
Co-authored-by: Jeff Daily <jeff.daily@amd.com>