Add vendorid check to GetSupportedDevicesImpl for MIGraphx EP#25677

Zhaeong wants to merge 1 commit intomicrosoft:mainmicrosoft/onnxruntime:mainfrom

AMD-GPU:amd/dev/ozhang/mgx_device_support_vendoridAMD-GPU/onnxruntime:amd/dev/ozhang/mgx_device_support_vendoridCopy head branch name to clipboard