Fix dev build script (#286)
* fixed the error in the command building part of the dev_build_rocm.py script
* Update build/rocm/dev_build_rocm.py
Co-authored-by: Mathew Odden <1471252+mrodden@users.noreply.github.com>
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Co-authored-by: Mathew Odden <1471252+mrodden@users.noreply.github.com>
